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Electric Circuits

Electric Circuits
In parallel RLC circuit under resonance condition the value of current is

None of these
 Zero
 Maximum
 Minimum

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Electric Circuits
When AC flows through a pure capacitance then the current

 lags the emf by 90o.
 leads the emf by - 90o.
 is in phase with emf.
 leads the emf by 90o.

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Electric Circuits
The voltage across the 1 Ω resistor between the nodes A and B of the network shown in the given figure is

 1 V.
 3 V.
 4 V.
 2 V.

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 6.98.
 - 9.59.
 9.59.
 - 6.28.

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M.
 M / L.
 M / 2.
 2 M.

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Electric Circuits
The plates of lead acid storage battery are most likely to be short circuited if

 too much water is added.
 sediment collect at the bottom of the battery.
 the battery charged too slowly.
 the electrolyte evaporates.

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MORE MCQ ON Electric Circuits

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