Recent questions tagged between

asked May 7, 2020 by anonymous

Differentiate between soldering and brazing

Last answer: Soldering Brazing It is used in electrical industries to joint capacitor, resistor, wire etc. to the electronic plate. It is used to mechanical industries to joint different metals. ... . It is not so easy for automation except automation is done at automotive industries.

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41 views 1 answer

asked May 7, 2020 by anonymous

Compare between Hot rolling and Cold rolling.

Last answer: Hot rolling Cold rolling Metal is fed to the rolls after being heated above the recrytallization temperature. Metal is fed to the rolls when it is below the recrytallization temperature. ... Hot rolling is the father of the cold rolling. Cold rolling follows the hot rolling.

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49 views 1 answer

asked May 3, 2020 by anonymous

State the difference between energy conservation and energy audit.

Last answer: energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit.

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68 views 1 answer

asked Jan 21, 2020 by Sampson

What's the difference between electronic and electrical

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74 views 0 answers

asked Aug 12, 2019 by anonymous

What is the difference between a cable and a conductor?

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86 views 0 answers

asked Jun 29, 2019 by anonymous

Describe the difference between direct and alternating current.

Last answer: Direct current is the flow of electricity or charge in one direction.. Alternative current is the flow of charge that doesn't flow in one direction.

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5.0k views 4 answers

asked Jun 29, 2019 by anonymous

What is the mathematical relationship between resistance and conductance?

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64 views 0 answers

asked Jun 29, 2019 by anonymous

Describe the difference between an open circuit and a short circuit.

Last answer: Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit

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7.6k views 3 answers

asked Sep 6, 2018 by anonymous

Write any four differences between CT and PT.

Last answer: CT PT CT corresponds to current transformer PT corresponds to potential transformer CT primary is connected in series with load and secondary winding is connected to a low range ammeter. PT ... ) x PT ratio It is a step-up transformer. It is a step-down transformer

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54 views 1 answer

asked Sep 5, 2018 by anonymous

Write difference between absolute & secondary instrument.

Last answer: Absolute Instrument Secondary Instrument 1. These give magnitude of quantity in terms physical constants of instruments 1. These give reading directly of the quantity at the time of ... Raleigh current balance. 6. Examples - ammeter, voltmeter, amperehour meter, wattmeter etc.

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5.0k views 1 answer

asked Sep 5, 2018 by anonymous

Differentiate between positive and negative feedback.

Last answer: PARAMETER POSITIVE FEEDBACK NEGATIVE FEEDBACK Overall phase shift 0° or 360° 180° Feedback and input signal Are in phase Are out of phase Input signal ... Increases Input impedance Decreases Increases Output impedance Increases Decreases

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101 views 1 answer

asked Sep 5, 2018 by anonymous

Define α & β and derive the relation between (α) &) (β) of transistor.

Last answer: α : The ratio of output collector current IC to input emitter current IE in the CB configuration is called current gain alpha (α). β : The ratio of output collector current IC to the input base current IB in the CE configuration is ... ( 1/β) + 1 hence 1/ α = (1+β )/ β Therefore, α = β /(1+β)

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48 views 1 answer

asked Sep 4, 2018 by anonymous

Compare between CB , CE & CC transistor configuration.

Last answer: Parameter CB CE CC I/P impedance Low Or 50Ω Medium Or 600Ωto 4kΩ High Or 1 MΩ Current Gain Less than or equal to 1 High Highest Voltage Gain Medium Medium Less ... k Ω to 50 k Ω Low Or 50 Ω Phase shift between input and output 0° 360° 0°

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55 views 1 answer

asked Aug 8, 2018 by anonymous

Distinguish between AC and DC.

Last answer: Particulars Direct Current Alternating Current Definition It is the current whose magnitude and direction do not change with respect to time. It is the current whose ... system, electroplating, Battery charging, Traction. AC machines, Domestic and industrial supply.

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414 views 2 answers

asked May 2, 2018 by anonymous

What is the difference between relay and contactor?

Last answer: Relay have smaller ratings. Contactor is a high rating relay.

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5.0k views 1 answer

asked Apr 26, 2018 by anonymous

ln HRC fuse the time between cut-off and final current zero is called

Last answer: ln HRC fuse the time between cut-off and final current zero is called the arcing time

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109 views 1 answer

asked Mar 24, 2018 by anonymous

Two waves of the same frequency have opposite phase when the phase angle between them is?

Last answer: Two waves of the same frequency have opposite phase when the phase angle between them is 180°.

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180 views 1 answer

asked Mar 22, 2018 by anonymous

Coulomb friction is the friction between?

Last answer: Coulomb friction is the friction between bodies having relative motion.

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88 views 1 answer

asked Mar 21, 2018 by anonymous

In a single phase power factor meter the phase difference between the currents in the two pressure coils is?

Last answer: In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.

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158 views 1 answer

asked Mar 20, 2018 by anonymous

The insulating material used between the commutator segments is normally?

Last answer: The insulating material used between the commutator segments is normally mica.

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201 views 1 answer

asked Mar 20, 2018 by anonymous

In a capacitor start motor, the phase displacement between starting and running winding can be nearly?

Last answer: In a capacitor start motor, the phase displacement between starting and running winding can be nearly 90°.

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128 views 1 answer

asked Mar 20, 2018 by anonymous

The inductive interference between power and communication line can be minimized by?

Last answer: The inductive interference between power and communication line can be minimized by transposition of the power line, transposition of the communication line.

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84 views 1 answer

asked Mar 20, 2018 by anonymous

Discrimination between main and backup protection is provided by the use of relays which are?

Last answer: Discrimination between main and back up protection is provided by the use of relays which are slow.

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303 views 1 answer

asked Mar 20, 2018 by anonymous

The interaction between a transmission line and communication line is minimized by?

Last answer: The interaction between a transmission line and communication line is minimized by transposing transmission as well as communication lines, increasing the height of the transmission line tower, increasing the distance between the two lines.

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116 views 1 answer

asked Mar 19, 2018 by anonymous

A differential relay measures the vector difference between?

Last answer: A differential relay measures the vector difference between two or more similar electrical quantities.

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116 views 1 answer

asked Mar 19, 2018 by anonymous

In a transformer the resistance between its primary and secondary should be?

Last answer: In a transformer the resistance between its primary and secondary should be infinity.

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96 views 1 answer

asked Mar 19, 2018 by anonymous

What is the difference between BJT and FET?

Last answer: BJT is a current opperated transistor while FET is a field opperated transistor.

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2.6k views 1 answer

asked Mar 15, 2018 by anonymous

What is the difference between a soft start and a VFD?

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66 views 0 answers

asked Mar 15, 2018 by anonymous

What is the relationship between power and resistance?

Last answer: P = I2R Where P = power I = Current R = Resistance

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54 views 2 answers

asked Mar 15, 2018 by anonymous

What is the relationship between power and current?

Last answer: P = I2R Where P = power I = Current R = Resistance This the relationship between current and power.

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86 views 2 answers

asked Mar 15, 2018 by anonymous

What is the difference between an AC and DC generator?

Last answer: The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.

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282 views 1 answer

asked Mar 15, 2018 by anonymous

What is the difference between synchronous and asynchronous generator?

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138 views 0 answers

asked Mar 15, 2018 by anonymous

What is the difference between synchronous and asynchronous motors?

Last answer: The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed. And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.

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109 views 1 answer

asked Mar 15, 2018 by anonymous

What is the difference between eddy current and hysteresis loss?

Last answer: Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses

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2.9k views 1 answer

asked Mar 14, 2018 by anonymous

What is the difference between an anode and a cathode?

Last answer: The anode is positively charged electrode and the cathode is negatively charged electrode.

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105 views 1 answer

asked Mar 11, 2018 by anonymous

What is the difference between an insulator and a dielectric?

Last answer: Dielectric is the another name for insulator.

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91 views 1 answer

asked Mar 11, 2018 by anonymous

What is the difference between a sensor and a transducer?

Last answer: https://electronics2electrical.com/19108/

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491 views 1 answer

asked Mar 11, 2018 by anonymous

What is the difference between microcontroller and ARM processor?

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124 views 0 answers

asked Mar 11, 2018 by anonymous

What is the difference between a microcontroller and a microprocessor?

Last answer: Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC 6)less multifunction Pins on IC.

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201 views 1 answer