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Electric Circuits

Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 4V
 9V
 5V
 2V

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Electric Circuits
In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is

 8 A.
 6 A.
 12 A.
 10 A.

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 16C Farad.
 2C Farad.
 C Farad.
 4C Farad.

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Electric Circuits
Advantage of active filter is

  easy to tune.
  derive high impedance load.
  do not offer gain.
  both of above.

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Electric Circuits
In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

 1 Ω
 100 Ω
 1 MΩ
 1 KΩ

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 30sin25πt.
 30sin50πt.
 42.4sin25πt.
 42.4sin50πt.

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MORE MCQ ON Electric Circuits

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