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Electric Circuits

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

 high
 zero
 low
 unity

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Electric Circuits
Poles and zeros are arranged alternatively on imaginary axis, then type of network is?

 RC network
 RL network
 Any of the above
 LC network

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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 voltage drop across R is

  30.6 V.
 40.8 V.
 24.4 V .
  50.8 V.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 0°
 45°
 - 90°
 90°

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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
In a lead acid cell PbSO4 formed during

  charging only.
  discharging only.
  neither during charging nor discharging.
  both during charging as well as discharging.

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MORE MCQ ON Electric Circuits

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