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Electric Circuits

Electric Circuits
Inductor does not allow the sudden change of

 voltage
 power
 current
None of these

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Electric Circuits
Which of the following elements is/are called dynamic element/s?

 R.
 L.
 Both L and C.
 C.

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.029.
 None of these.
 0.049 H.
 0.058 H.

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Electric Circuits
Number of branches of a graph should be --------- number of branches of a network

 less than
 less than equals to
 greater than
 equals to

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Electric Circuits
Select the wave that has the least value of form factor.

 Square wave.
 Sine wave.
 Triangular wave.
 Rectangular wave.

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Electric Circuits
A variable capacitance is one whose capacitance

 changes with voltage.
 changes with temperature.
 changes with time.
 can be changed manually or by mechanical force.

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