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Electric Circuits

Electric Circuits
In given figure, the value of resistance R in Ω is

 4.5 Ω
 3.5 Ω
 1 Ω
 2.5 Ω

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Electric Circuits
In question no.3, which of the following is true ?

 i(0+)= iL(0+).
 iL(0) = ic (0).
 None of these.
 ic (0+) = i(0+).

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Electric Circuits
In a capacitor the electric charge is stored in

 both of (A) and (B).
 metal plates.
 none of above.
 dielectric.

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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

 4:1.
 1:1.
 1:2.
 1:8.

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Electric Circuits
In a series resonant circuit impedance is

 minimum.
 maximum.
 zero.
 none of these.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 1 microfarad.
 8 microfarad.
 20 microfarad.
 3.2 microfarad.

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