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Electric Circuits

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

 Zero
None of these
 Minimum
 Maximum

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Electric Circuits
Electrics supply for electroplating should be

 any of above.
 low AC voltage.
 DC voltage.
 low frequency ac voltage.

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Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 zero
 high
 low
 unity

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Electric Circuits
Which cell has the reversible chemical reaction?

 Mercury oxide.
 Lead acid.
 Silver oxide.
 Carbon Zinc.

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 + ω2
 ω1 - ω2
 √(ω1² + ω2²)
 ω1 / ω2

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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

  none of these.
  decrease.
  remain constant.
  increase.

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MORE MCQ ON Electric Circuits

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