what is voltage?

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asked Aug 3, 2017 by anonymous

what is voltage?

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asked Jan 24, 2020 by anonymous

What is terminal voltage ?

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What is internal voltage drop and terminal voltage?

Last answer: It is not permissible to just connect the positive terminal to the negative terminal of a cell with a copper wire. It will overheat and get damaged. This happens because the electromotive force (emf) ... than the nominal voltage (emf) of the cell and this lower voltage is called terminal voltage.

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asked Apr 29, 2018 by anonymous

What is a capacitor voltage transformer?

What is a capacitor voltage transformer? A) It is a transformer used in power systems to step up low voltage signals and provide extra high voltage B) It is a transformer used in power systems to step up high voltage signals and provide extra high voltage C) It is a transformer used in power systems to step down extra high voltage signals and provide low voltage D) None of these

Last answer: What is a capacitor voltage transformer? A) It is a transformer used in power systems to step up low voltage signals and provide extra high voltage B) It is a transformer used in power systems ... power systems to step down extra high voltage signals and provide low voltage D) None of these

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asked Apr 29, 2018 by anonymous

What happens to the voltage in the secondary when the frequency of the supply in the primary is decreased?

What happens to the voltage in the secondary when the frequency of the supply in the primary is decreased? A) It increases B) It decreases C) It remains the same D) Cannot say unless the actual percentage increase in the frequency is known

Last answer: What happens to the voltage in the secondary when the frequency of the supply in the primary is decreased? A) It increases B) It decreases C) It remains the same D) Cannot say unless the actual percentage increase in the frequency is known

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asked Apr 29, 2018 by anonymous

What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively?

What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively? A) 320 V B) 448 V C) 64 V D) None of these

Last answer: What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively? A) 320 V B) 448 V C) 64 V D) None of these

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asked Dec 28, 2017 by anonymous

what is the minimum voltage required to turn on a diode ?

Last answer: 0.7 v sil and 0.3 v for gr

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asked Oct 21, 2017 by anonymous

If resistance is 8 Ohm and current is 16 ampere then what will be the voltage and power?

Last answer: 128 volts ,2048 watts

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asked Sep 20, 2017 by anonymous

What is the unit of voltage?

Last answer: Unit of voltage is volt denoted by capital V .

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asked Aug 14, 2017 by anonymous

what is ideal voltage source ?

what is ideal voltage source?

Last answer: every voltage source have their own resistance that is called as internal resistance it is because of the resistance of electrodes and electrolytes in the battery interms of other supplyit have ... in universe it means ideal voltage source is this voltage source having internal resistance zero

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asked Aug 25, 2019 by anonymous

What kills, current or voltage?

Last answer: Current would kill. You can actually have thousands of bolts going through you and not even know it. Yes you probably know already voltage is current times resistance. Since your body is a resistor it would take just a small amount of current to create a very high voltage

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asked Apr 29, 2018 by anonymous

Consider a circuit with four resistors in series connected to a voltage source. What happens to the voltage

Consider a circuit with four resistors in series connected to a voltage source. What happens to the voltage across each resistor, if the value of each of the resistors is doubled? A) It will double B) It will remain the same C) It will be halved D) It will become zero

Last answer: Consider a circuit with four resistors in series connected to a voltage source. What happens to the voltage across each resistor, if the value of each of the resistors is doubled? A) It will double B) It will remain the same C) It will be halved D) It will become zero

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asked Aug 11, 2018 by anonymous

What is line voltage and phase voltage?

What is line voltage and phase voltage? Draw balanced three phase star connected system. Show all the voltages and currents.

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asked Jun 18, 2018 by anonymous

An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak

An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W

Last answer: An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W

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asked Mar 19, 2018 by anonymous

What is meant by pinch off voltage in MOSFET?

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asked Mar 10, 2018 by anonymous

What is meant by extra high voltage transmission?

Last answer: HT & LT two types transmission in industrial line

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asked Mar 10, 2018 by anonymous

What is the unit of measure for voltage?

Last answer: Voltage measured in volts.

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asked Mar 10, 2018 by anonymous

What equipment is used to measure voltage?

Last answer: Voltmeter is used to measure voltage.

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asked Mar 10, 2018 by anonymous

What is an analog voltage?

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asked Mar 10, 2018 by anonymous

What is meant by flash over voltage?

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asked Mar 10, 2018 by anonymous

What is dielectric withstand voltage?

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asked Mar 10, 2018 by anonymous

What is the definition of extra low voltage?

Last answer: Extra-low voltage (ELV) is an electricity supply voltage in a range which carries a low risk of dangerous electrical shock.

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asked Mar 10, 2018 by anonymous

What is the difference between line and phase voltage?

Last answer: Line voltage is voltage between two phases R &Y (415 v) while phase voltage is the voltage between one phase and a neutral B & N (240 v).

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asked Mar 10, 2018 by anonymous

What is impulse voltage of transformer?

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asked Mar 10, 2018 by anonymous

What is Extra High Voltage?

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asked Mar 10, 2018 by anonymous

What is the difference between a line voltage and low voltage control system?

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asked Mar 10, 2018 by anonymous

What is a high voltage test?

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asked Mar 10, 2018 by anonymous

What is considered low voltage and high voltage?

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asked Mar 10, 2018 by anonymous

What is the cause of voltage fluctuation?

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What is voltage interruption?

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What is meant by a voltage surge?

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What is voltage sags and swells?

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asked Dec 22, 2017 by anonymous

What is the voltage in 3 phase line?

Last answer: between 430 to 440 v

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asked Dec 19, 2017 by anonymous

What is the threshold voltage?

Last answer: 440

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asked Dec 9, 2017 by anonymous

What is the ripple voltage?

Last answer: Ripple voltage is the small variations in Dc voltage that remain after filtering in a power supply.

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asked Dec 9, 2017 by anonymous

What is the voltage of a red LED?

Last answer: A red led requires 2v to light. LEDs requires different amounts of voltage ranging between 1.8 and 3.3 depending on the intensity and color of the Led.

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asked Aug 9, 2017 by anonymous

What is Voltage Source Inverter (VSI) ?

Last answer: Voltage Source Inverter (VSI) Inverter is device which converts Direct Current (DC) to Alternating Current (AC). There are two types of inverters one is Voltage source inverter ... VSI consist of two load terminals and three phase VSI consist of three load terminals.

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asked Mar 10, 2018 by anonymous

What are the advantages of high voltage transmission?

Last answer: Advantages: 1. As Transmission voltage increases, current decreases. 2. As current decreases, cross section of conductor decreases. 3. As cross section of conductor decreases ... line increases 12. As transmission voltage increases power handling capacity of transmission line increases

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asked Mar 10, 2018 by anonymous

What can cause a voltage spike?

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asked Aug 19, 2019 by anonymous

If 1-phase voltage is 220V, why is 3-phase 440V and not 660V ?

Last answer: Phase voltage =220v /( phase to neutral) Line voltage = 380 v ( phase to phase) Phase angle difference 120° So when two phases reach vmax +ve I.e. (+220v) + (+220v) = 440v that time due ... these event happen very fast. Hence we have 440 v only in three phase motor. √3.phase voltage= 380 v.

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asked Jun 29, 2019 by anonymous

Is the power line voltage available in our homes a dc or an ac voltage?

Last answer: The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.

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asked Sep 7, 2018 by anonymous

Explain how sinusoidal AC voltage is generated by using simple one loop generator.

Last answer: An electric current produced by means of electrical machine is known as generator which converts mechanical energy into electrical energy. When conductor cuts the magnetic flux, emf induced in it. (Faraday' ... upon position of armature. The nature of emf is alternating as shown by the waveform.

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asked May 8, 2018 by anonymous

The permissible voltage variation in transmission and distribution system is:

The permissible voltage variation in transmission and distribution system is: (A) ± 0.1% (B) ± 1% (C) ±10% (D) ± 25%

Last answer: The permissible voltage variation in transmission and distribution system is: ±10%

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277 views 1 answer

asked May 8, 2018 by anonymous

Which of the following is the least expensive protection for over current in low voltage system?

Which of the following is the least expensive protection for over current in low voltage system? (A) Rewireable fuse (B) Isolator (C) Oil Circuit breaker (D) Air break circuit breaker

Last answer: Which of the following is the least expensive protection for over current in low voltage system? (A) Rewireable fuse (B) Isolator (C) Oil Circuit breaker (D) Air break circuit breaker

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asked Apr 30, 2018 by anonymous

A current controlled voltage source is equivalent to :

A current controlled voltage source is equivalent to : (A) series voltage feed -back amplifier (B) shunt current feed -back amplifier (C) shunt voltage feed -back amplifier (D) series current feed -back amplifier

Last answer: A current controlled voltage source is equivalent to : shunt voltage feed -back amplifier

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66 views 1 answer

asked Apr 29, 2018 by anonymous

In which of the following waveforms is RMS voltage equal to the average voltage?

In which of the following waveforms is RMS voltage equal to the average voltage? A) Triangle wave B) Square wave C) Sine wave D) None of these

Last answer: In which of the following waveforms is RMS voltage equal to the average voltage? A) Triangle wave B) Square wave C) Sine wave D) None of these

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asked Apr 29, 2018 by anonymous

A network that consists of at least a voltage source or current source is called

A network that consists of at least a voltage source or current source is called A) Active network B) Ideal network C) Sourced network D) Outsourced network

Last answer: A network that consists of at least a voltage source or current source is called Active network

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68 views 1 answer

asked Apr 29, 2018 by anonymous

A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______

A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______ A) DC voltage restorer B) Clamping circuit C) Both A and B D) None of these

Last answer: A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______ A) DC voltage restorer B) Clamping circuit C) Both A and B D) None of these

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83 views 1 answer

asked Apr 29, 2018 by anonymous

In a battery, the difference between the no-load voltage and the measured voltage output is called ________

In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above

Last answer: In a battery, the difference between the no-load voltage and the measured voltage output is called Internal resistance

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78 views 1 answer

asked Apr 28, 2018 by anonymous

A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum

A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum permissible stress in the dielectric is not to exceed 20 kV/mm. For economical size, the overall core diameter of the cable is (A) 28.2 mm (B) 26.4 mm (C) 24.4 mm (D) 22.0 mm

Last answer: A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum permissible stress in the dielectric is not to exceed 20 kV/mm. For economical size, the overall core diameter of the cable is 22.0 mm

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690 views 1 answer

asked Apr 25, 2018 by anonymous

At a particular instant, the R-phase voltage of a balanced 3-phase system is + 30 V, and the Y-phase voltage is ...

At a particular instant, the R-phase voltage of a balanced 3-phase system is + 30 V, and the Y-phase voltage is – 90 V. The voltage of B-phase at that instant is (A) + 120 V (B) – 120 V (C) – 60 V (D) + 60 V

Last answer: At a particular instant, the R-phase voltage of a balanced 3-phase system is + 30 V, and the Y-phase voltage is – 90 V. The voltage of B-phase at that instant is + 60 V

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84 views 1 answer

anonymous · Answer 1 · 2017-08-22T10:24:37+0000

Voltage is like water tank level and pipe is like resistance and flow of water is like current .

Neha8235 · Answer 2 · 2018-05-21T00:06:20+0000

Voltage is the potential to do work , is the ratio of energy available to the charge expressed in volts.

Saipriya · Answer 3 · 2019-01-20T21:39:55+0000

Voltage is the force that applied to move electrons in the conductor.its unit is volt.

B-wyc · Answer 4 · 2019-01-29T09:05:34+0000

Voltage is the force that pushes current to flow in a conductor. It's unit is Volt (v).

Emmanuel 2010 · Answer 5 · 2019-01-29T14:08:20+0000

answered Jan 29, 2019 by Emmanuel 2010

Voltage is an electromotive force or potential difference expressed in volts

what is voltage?

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