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Electric Circuits

Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 1.5 A.
 0.5 A.
 2 A.
 1 A.

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Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 2:4:6.
 6:3:2.
 6:4:2.
 2:3:6.

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Electric Circuits
The power dissipated in a pure capacitor is

 zero.
 proportional to the value of capacitance.
 proportional to applied voltage.
 both (B) and (C) above.

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Electric Circuits
Condition for a balanced 3 - phase load is that, each phase has the same value of __________________.

 power factor.
 impedance.
 resistance.
 all of these.

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Electric Circuits
Internal resistance of ideal current source is

 zero
 infinite
 100 ohms
 finite

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Electric Circuits
A current is said to be alternating when it changes in

 both ‘a’ and ‘b’.
 magnitude.
 direction.
 none of these.

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MORE MCQ ON Electric Circuits

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