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Electric Circuits

Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 -27.4 V.
 -28.4 V.
 34.4 V.
 None of them

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Electric Circuits
Two battery having unequal emf

 both a and d
 can be connected in series only.
 cannot be connected in parallel.
 cannot be connected in series.

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Electric Circuits
Mica capacitor are characterised by all of following except

 low losses.
 accurate value.
 stable operation.
 low leakage reactance.

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Electric Circuits
What is the relation between time period T and frequency?

 T = 1 / frequency.
 T = 0.85 / frequency.
 T = frequency.
 T = 0.5 / frequency.

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Electric Circuits
The voltage across the 1 Ω resistor between the nodes A and B of the network shown in the given figure is

 1 V.
 4 V.
 2 V.
 3 V.

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Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10- 3 μF.
 10 3 μF.
 10 6 μF.
 10- 6 μF.

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