**Description : **Resistance formula

**Answer** :

The formula for resistance is, Where, R = resistance in Ohms ρ = resistivity in ohm - metre l = length A = cross sectional area

asked
Jun 11, 2019
by
anonymous

**Description : **What is the formula for resistivity?

**Answer** :

Resitivity is the property of a material. It is given in ρ . R=ρ L/A is the formula. where , Resitance is directly proportional to Length & Inversely proportional to Area of ... the resistance offered by a conductor to the flow of current is called specific resistance or resistivity.

asked
Jan 7, 2018
by
anonymous

**Description : **Time constant for RC circuit formula τ = RC Where, τ = time constant

**Answer** :

Time constant for RC circuit formula τ = RC Where, τ = time constant

asked
Jul 2, 2019
by
anonymous

**Description : **Acceleration formula

asked
Jul 3, 2019
by
anonymous

**Description : **Wye and delta conversion formula

**Answer** :

Wye and delta conversion formula

asked
Jun 11, 2019
by
anonymous

**Description : **Voltage formula

**Answer** :

Voltage formula

asked
Jun 11, 2019
by
anonymous

**Description : **Self inductance formula

**Answer** :

Self inductance formula

asked
Jun 11, 2019
by
anonymous

**Description : **RMS value formula

**Answer** :

RMS value formula

asked
Jun 11, 2019
by
anonymous

**Description : **Permeability formula

**Answer** :

Permeability formula

asked
Jun 11, 2019
by
anonymous

**Description : **Ohm's law formula

**Answer** :

Ohm's law formula

asked
Jun 11, 2019
by
anonymous

**Description : **Magnetomotive force formula

**Answer** :

Magnetomotive force formula

asked
Jun 11, 2019
by
anonymous

**Description : **Flux density formula

**Answer** :

Flux density formula

asked
Jun 11, 2019
by
anonymous

**Description : ** Field intensity formula

**Answer** :

Field intensity formula

asked
Jun 11, 2019
by
anonymous

**Description : **Energy stored in electrostatic field of capacitance formula

**Answer** :

Energy stored in electrostatic field of capacitance formula

asked
Jun 11, 2019
by
anonymous

**Description : **Electric power formula

**Answer** :

Electric power formula

asked
Jun 11, 2019
by
anonymous

**Description : **Current formula

**Answer** :

Current formula

asked
Jun 11, 2019
by
anonymous

**Description : **Conductivity formula

**Answer** :

Conductivity formula

asked
Jun 11, 2019
by
anonymous

**Description : **Conductance formula

**Answer** :

Conductance formula

asked
Jun 11, 2019
by
anonymous

**Description : **Capacitive reactance

**Answer** :

Capacitive reactance formula

asked
Jun 11, 2019
by
anonymous

**Description : **Capacitive current

**Answer** :

Capacitive current formula

asked
Jun 11, 2019
by
anonymous

**Description : **Define magnetic flux density and state its formula.

**Answer** :

The magnetic flux per unit area is called as magnetic flux density. Magnetic flux density is denoted by B. The formula for magnetic flux density is Weber per metre square or Tesla. Mathematically ... the unit of magnetic flux density is Weber per metre square which is also called as Tesla.

asked
Aug 8, 2018
by
anonymous

**Description : **The following formula is correct: (A) Load factor=Average load for a period/ Peak load for the same period (B) Load factor=Average load for a period x Peak load for the same period (C) Load factor=Average load for a period + Peak load for the same period (D) All of the above

**Answer** :

The following formula is correct: (A) Load factor=Average load for a period/ Peak load for the same period (B) Load factor=Average load for a period x Peak load for the same period (C) Load factor=Average load for a period + Peak load for the same period (D) All of the above

asked
May 8, 2018
by
anonymous

**Description : **What is the formula of torque?

asked
Mar 15, 2018
by
anonymous

**Description : **What is Mason's gain formula?

**Answer** :

Mason's Gain Formula

asked
Mar 10, 2018
by
anonymous

**Description : **Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.

**Answer** :

Following are the methods used to measure resistances:- (i) Low resistance: 1.Voltmeter-Ammeter Method 2. Kelvin's Double bridge Method (ii) Medium resistance: 1.Voltmeter-Ammeter Method 2. ... of Charge Method (iv) Earth resistance : 1. Fall of Potential Method 2. Earth tester

asked
Sep 6, 2018
by
anonymous

**Description : **A megger is to measure insulation resistance of a cable. The cable should be connected to (a) Battery (b) DC supply (c) AC supply (d) No supply

**Answer** :

Battery

asked
Apr 10, 2018
by
anonymous

**Description : **To measure insulation resistance of equipments of voltage rating upto 440 V the megger generator must generate (a) 220 V (b) 440 V (c) 500 V (d) None of these

**Answer** :

500 V

asked
Apr 10, 2018
by
anonymous

**Description : **A multimeter is used to measure (1) current (2) voltage (3) resistance (4) All of the above

**Answer** :

All of the above

**Description : **State the methods used to measure insulation resistance and explain Dielectric Absorption method.

**Answer** :

There are three types of tests for measuring insulation resistance: 1. Spot test reading or Short Time test 2.Time-resistance test or Dielectric absorption test or Testing methods based on the PI & DAR 3. ... and if value of PI is less than 2 and value of DAR is less than 1.25

asked
Jul 19, 2019
by
anonymous

**Description : **A moving coil meter has a resistance of 3 Ω and gives full scale deflection with 30 mA. To measure voltage up to 300 V, the external resistance to be connected in series with the instrument is (A) 9997 Ω (B) 10000 Ω (C) 997 Ω (D) 10003 Ω

**Answer** :

A moving coil meter has a resistance of 3 Ω and gives full scale deflection with 30 mA. To measure voltage up to 300 V, the external resistance to be connected in series with the instrument is 9997 Ω

asked
Apr 28, 2018
by
anonymous

**Answer** :

To measure a resistance with the help of a potentiometer it is not necessary to standardise the potentiometer.

asked
Mar 21, 2018
by
anonymous

**Answer** :

Voltmeter is used to measure voltage in a circuit.Ohmmeter is used to measure the resistance of a component in a circuit.

asked
Sep 10, 2017
by
anonymous

**Description : **The following formula is correct: (A) Load factor=Average load for a period/ Peak load for the same period (B) Load factor=Average load for a period x Peak load for the same period (C) Load factor=Average load for a period + Peak load for the same period (D) All of the above

**Answer** :

Otion A is correct as Load factor is the ratio of average load to the peak load in a given time interval.

asked
May 30, 2018
by
anonymous

**Description : **What is formula for power?

**Answer** :

The capacity to do work is termed as Energy. The Energy expended to do work in unit time istermed as Power. It is represented as P

**Description : **What is the formula for Watts Law?

**Answer** :

This is the formula for power Watts = Volts2 / Ohms..

**Description : **Would you like me to give you a formula for... success? It's quite simply, really. Double your rate of failure... You're thinking of failure as the enemy of success. But it isn't at all... You can be discouraged by failure -- or you can learn from it. So go ahead and make mistakes. Make all you can. Because, remember that's where you'll find success. On the far side of failure. - Thomas J. Watson famous quote

**Description : **I can give you a six-word formula for success: Think things through ?then follow through. - Captain Edward V. Rickenbacker fanus quote

**Description : **Compare CRO and DSO. State the formula for phase measurement using CRO with necessary diagram.

**Answer** :

CRO DSO Directly reads analog voltage and displays it on screen. It reads the analog voltage and converts it into digital form before being displayed on the screen. ... algorithms available and ported on microprocessor which can operate on stored samples of input voltage.

**Description : **State with sketch different shapes of Artificial channels. Give the formula for wetted area, wetted perimeter for any two.

**Answer** :

1. Rectangular channel: 2. Trapezoidal channel: 3. Circular section: 4.Triangular section:

**Description : **State the formula for specific energy with components names.

**Answer** :

E = Potential head + Kinetic head Where, y = Depth of liquid flow v = Velocity of liquid

**Description : **Draw the labeled circuit of RC phase shift oscillator. State the formula for frequency of oscillator.

**Answer** :

Frequency of oscillation is given by,

asked
Jun 24, 2020
by
anonymous

**Description : **What is the formula for resonance?

asked
May 25, 2018
by
anonymous

**Description : **What is the formula for reactive power?

**Answer** :

The formula for reactive power is, Reactive power = VI sin (phi) The unit of reactive power is VAR ( Volt ampere reactive). The reactive power is denoted by 'Q'. The formula for real power is, Real power = VI cos (phi) The unit of real power is watts. The real power is denoted by 'P'.

asked
Dec 16, 2017
by
anonymous

asked
Mar 10, 2020
by
anonymous

**Description : **Turns ratio

**Answer** :

Turns ratio formula

asked
Jun 11, 2019
by
anonymous

**Description : **Capacitance

**Answer** :

Capacitance formula

asked
Jun 11, 2019
by
anonymous

**Description : **Mason's Gain Formula Problem 2

**Answer** :

Mason's Gain Formula Problem 2

asked
Apr 3, 2019
by
anonymous

**Description : **Mason's Gain Formula Problem 1

**Answer** :

Mason's Gain Formula Problem 1

asked
Apr 3, 2019
by
anonymous