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Electric Circuits

Electric Circuits
If the peak value of a sine wave is 100 V, then its RMS value will be

 100 V.
 88 V.
 70.7 V.
 63.6 V.

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 short circuited.
 replaced by a series resistance.
 open circuited.
 replaced by a shunt resistance.

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 C
 L
 Both 2 and 3
 R

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 1:8.
 1:1.
 1:2.
 4:1.

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Electric Circuits
Nodal analysis can be applied for

 neither planar and non planar networks.
 planar networks.
 non planar networks.
 both planar and non planar networks.

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Electric Circuits
A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC.

 675.
 7.5.
 3600.
 240.

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