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For a battery the terminal voltage decreases with
A) Increase in load

B) Decrease in load

C) Increase in electrolyte concentration

D) Decrease in electrolyte concentration

In a three phase system, the voltage between 2 phases is

A) Terminal voltage B) Line voltage

C) Phase voltage D) None

In a three phase system, voltage across phase to neutral is called
A) Line voltage B) Terminal voltage
C) Phase voltage D) Neutral voltage

For same line current and line voltages, power taken by delta connected load is
A) Greater than star connected load

B) Less than star connected load

C) Equal to star connected load

D) Cannot judge

In a three phase ac circuit, the sum of all three generated voltages is
A) Infinite B) One
C) Zero D) 3 times maximum value

If time period of an alternating voltage is increased, what happens to its average value ?
A) Increases B) Remains same
C) Can't determine D) Decreases

In a parallel plate capacitor of capacitance value c, a plate is inserted at the middle of the
capacitor. What happens to its capacitance ?

A) Remains same B) Doubles
C) Became halved D) Quarter the value of initial capacitance

If rms voltage of V volts gets transformed to another circuit to get 10 V rms, then the
impedance of the transformed circuit will be

A) Higher than initial circuit B) Lower than initial circuit
C) Cannot be determined D) 10 times the first circuit

If number of turns, area of core and length of magnetic path are doubled, what happens
to the inductance of a coil ?

A) 2 times 8) 4 times
C) remains same D) 8 times