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Electric Circuits

Electric Circuits
In RLC series circuit, at resonance condition the value of current is

 Minimum
 Maximum
None of these
 Zero

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

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

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Electric Circuits
If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

 100 Hz.
 50 Hz.
 150 Hz.
 0 Hz.

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Electric Circuits
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will

  remain constant.
  increase.
  decrease.
  none of these.

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Electric Circuits
There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance?

 (C1 + C2) / C1C2.
 (C1C2) / C1 + C2.
 C1C2.
 C1 + C2.

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Electric Circuits
Emf induced in a coil rotating in a uniform magnetic field will be maximum when the

 rate of change of flux linkage is minimum.
 rate of change of flux linkage is maximum.
 flux linking with the coil is maximum.
 rate of cutting flux by coil sides is minimum.

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MORE MCQ ON Electric Circuits

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