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Electric Circuits

Electric Circuits
In the circuit shown in the figure the voltage across the 2 Ω resistor is

 1 V.
 2 V.
 4 V.
 3 V.

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

 XL>R
 XL=R
All of these
 XL

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Electric Circuits
Coating generally recommended for hard surfacing is

None of these
 lead plating.
 copper plating.
 chromium plating.

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Electric Circuits
Air gap flux density is of the order of

 0.75 - 0.8 T.
  0.35 - 0.5 T.
 0.85 - 0.9 T.
  0.65 - 0.9 T.

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance.

 500 Ohms.
 100 Ohms.
 1000 Ohms.
 480 Ohms.

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Electric Circuits
In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant?

 2 msec
 2 μsec
 4 msec
 4 μsec

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MORE MCQ ON Electric Circuits

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