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Electric Circuits

Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 4 A.
 10 A.
 5 A.
 6 A.

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

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

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Electric Circuits
Resistor stores the energy in the form of

 both A and B.
 magnetic field.
None of these
 electrical field.

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Electric Circuits
Which of the following is applicable for both linear and non-linear circuits?

 Superposition theorem.
 None of these .
 Thevnin’s theorem.
 Norton’s theorem.

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Electric Circuits
Which field is associated with the capacitor?

 None of above.
 Electric.
 Both of (A) and (B).
 Magnetic.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 76.66.
 66.66.
 36.36.
 40.25.

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