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Piezo meter is used to measure

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Draw B-H curve for magnetic material and state its nature. State the significance of hysteresis loop. Also draw the hysteresis loop for hard steel and soft steel. 

asked Jul 6 by Shimroz123
1 answer 14 views

Describe the working of capacitor with a neat sketch.

asked Jul 5 by Shimroz123
1 answer 91 views

Describe the construction of any one type of capacitor.

asked Jul 5 by Shimroz123
1 answer 10 views

Why the emf of a cell is always greater than its terminal voltage? Explain the same.

asked Jul 5 by Shimroz123
1 answer 4 views

Name the effect of electric current observed in electroplating. Explain the same.

asked Jul 5 by Shimroz123
1 answer 5 views

Define reluctance and permeance with respect to magnetic circuit.

asked Jul 5 by Shimroz123
1 answer 12 views

What is magnetic hysteresis?

asked Jul 5 by Shimroz123
1 answer 3 views

Define breakdown voltage and dielectric strength of a capacitor.

asked Jul 5 by Shimroz123
1 answer 7 views

State any two types of resistors. Give one application of each.

asked Jul 5 by Shimroz123
1 answer 8 views
1 answer 8 views

Why shouldn’t a DC shunt motor start on the heavy load setting?

asked Jul 5 in DC motor by Shimroz123
1 answer 9 views

What will happen when a DC shunt motor is started with a load?

asked Jul 5 in DC motor by Shimroz123
1 answer 14 views

Why does the speed of a DC shunt motor decrease as the load increases?

asked Jul 5 in DC motor by Shimroz123
1 answer 14 views

What is branch?

asked Jul 4 in Network Analysis by Shimroz123
1 answer 11 views

What is node?

asked Jul 4 in Network Analysis by Shimroz123
1 answer 11 views

What is capacitance?

asked Jul 4 by Shimroz123
1 answer 9 views

What is active and passive network?

asked Jul 4 in Network Analysis by Shimroz123
1 answer 9 views

What are the disadvantages of Open loop control system?

asked Jul 4 by Shimroz123
1 answer 7 views

What is inductance?

asked Jul 4 by Shimroz123
2 answers 11 views

What is unilateral and bilateral circuit?

asked Jul 4 by Shimroz123
1 answer 13 views

What is linear circuit?

asked Jul 4 by Shimroz123
1 answer 9 views

Does the linear circuit obey Ohm's law?

asked Jul 4 by Shimroz123
1 answer 13 views

What is Resistance?

asked Jul 4 by Shimroz123
1 answer 9 views

In the circuit shown below, the current through the inductor is,

asked Jul 4 in Network Analysis by Shimroz123
1 answer 10 views

Acceleration formula

asked Jul 3 by Shimroz123
1 answer 21 views

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

asked Jul 2 in Formulas by Shimroz123
1 answer 17 views

What are the uses of Thermistors ?

asked Jul 2 by Shimroz123
0 answers 18 views

Which is more temperature stable, a carbon-composition or a metal-film resistor? 

asked Jul 2 by Shimroz123
1 answer 50 views

Is it true or false that electron flow and conventional current are in opposite directions? 

asked Jul 1 by Shimroz123
1 answer 8 views

Does conventional current return to the positive or negative terminal of the voltage source? 

asked Jul 1 by Shimroz123
0 answers 7 views

Is electron flow out from the positive or negative terminal of the voltage source? 

asked Jul 1 by Shimroz123
0 answers 19 views

Except for H and He, what is the goal of valence for all atoms? 

asked Jul 1 by Shimroz123
0 answers 20 views

What is the electron valence of an element with an atomic number of 3?

asked Jul 1 by Shimroz123
0 answers 21 views

An element with 14 protons and 14 electrons has what atomic number?

asked Jul 1 by Shimroz123
1 answer 15 views

Which is a semiconductor: copper, silicon, or neon?

asked Jul 1 by Shimroz123
1 answer 9 views

Which is the best conductor: silver, carbon, or iron?

asked Jul 1 by Shimroz123
1 answer 16 views

Which have more free electrons: conductors or insulators? 

asked Jul 1 by Zeeshan
0 answers 11 views

If 27 J of energy is expended in moving 3 C of charge between two points, how much voltage is there between those two points? 

asked Jul 1 by Shimroz123
0 answers 7 views

Calculate the resistance value in ohms for the following conductance values: (a) 0.002 S (b) 0.004 S (c) 0.00833 S (d) 0.25 S.

asked Jul 1 by Shimroz123
0 answers 13 views

Calculate the resistance value in ohms for the following conductance values: (a) 0.001 S (b) 0.01 S (c) 0.1 S (d) 1 S.

asked Jul 1 by Shimroz123
0 answers 9 views

If a current of 500 mA charges a dielectric for 2 s, how much charge is stored in the dielectric?

asked Jul 1 by Shimroz123
0 answers 14 views

If a current of 1.5 A charges a dielectric for 5 s, how much charge is stored in the dielectric?

asked Jul 1 by Shimroz123
1 answer 14 views

A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

asked Jul 1 by Shimroz123
0 answers 11 views

A charge of 6 C moves past a given point every 0.3 s. How much is the current?

asked Jul 1 by Shimroz123
0 answers 19 views

A charge of 0.05 C moves past a given point every 0.1 s. How much is the current?

asked Jul 1 by Shimroz123
0 answers 26 views

A charge of 1 C moves past a given point every 0.1 s. How much is the current?

asked Jul 1 by Shimroz123
0 answers 22 views

A charge of 2 C moves past a given point every 0.5 s. How much is the current?

asked Jul 1 by Shimroz123
0 answers 10 views

How much energy is expended, in joules, if a voltage of 12 V moves 1.25 C of charge between two points?

asked Jul 1 by Shimroz123
0 answers 11 views

How much is the potential difference between two points if 0.5 J of energy is required to move 0.4 C of charge between the two points?

asked Jul 1 by Shimroz123

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