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Electric Circuits

Electric Circuits
The capacity of a cell is measured in

  ampere-hour.
  amperes.
  watt-hours.
  watts.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 10.16 A.
 2.54 A.
 1.27 A.
 5.08 A.

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Electric Circuits
Silver coating is provided for

  all of above.
  decorative purpose.
  bearing surfaces.
  protective purpose.

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Electric Circuits
Which of the following are the passive elements?

 Both
 Resistor
 None of these.
 Bulb

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Electric Circuits
If the dielectric of a capacitor is replaced by conducting material

 the capacitance value of the plate will decrease.
 the capacitor will get heated up due to eddy currents.
 the plate will get short circuited.
 the capacitor can store infinite charge.

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Electric Circuits
Active filter consists of

 capacitor.
 inductor.
 op-amp.
 op-amp and capacitor.

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MORE MCQ ON Electric Circuits

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