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Electric Circuits

Electric Circuits
The unit of electric field intensity is

 N / C.
 F / m.
 F/ m2.
 N / Ampere.

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 1.5 Ohm and 3 Ohm.
 2 Ohm and 2.5 Ohm.
 1.25 Ohm and 3.25 Ohm.
 2.2 Ohm and 2.3 Ohm.

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Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 N.
 b - N + 1.
 N - 1.
 b - N - 1.

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Air gap.
 Coil.
 Core.
 Inductance.

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Electric Circuits
In RLC parallel circuit to get Q>1 which of the following is required?

 XL
All of these
 XL>R
 XL=R

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Electric Circuits
The energy stored by a capacitor is given by

 1/2 QV.
 all of them.
 1/2 CV2.
 Q2 / 2C.

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MORE MCQ ON Electric Circuits

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