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Electric Circuits

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

 2 A.
 1 A.
 1.5 A.
 0.5 A.

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Electric Circuits
Reactive power drawn by a pure resistor is

 maximum
 0
 minimum
None of these

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Electric Circuits
A 10Ω resistor is stretched to increase its length double. Its resistance will now be

 20 Ω.
 10 Ω.
 5 Ω.
 40 Ω.

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Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 4.
 1.
 2.
 Not possible.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 - 1.25
 10
 1
 2.5

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Electric Circuits
In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant?

 2 msec
 4 msec
 2 μsec
 4 μsec

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