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Electric Circuits

Electric Circuits
In the figure given, the value of R is

 10 Ω.
 12 Ω.
 18 Ω.
 24 Ω.

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 4 msec
 2 msec
 1 μsec
 2 μsec

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Air capacitor.
 Electrolytic capacitor.
 Glass capacitor.
 Mica capacitor.

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Electric Circuits
Whenever current is supplied by a source its terminal voltage

 decreases.
 remains constant.
 increases exponentially.
 increases.

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Electric Circuits
What will be the rms value of rectangular wave with amplitude 10 V?

 11.2 V.
 7.7 V.
 10 V.
 5√2 V.

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  - 50 V.
 50 V.
  none of above.
  30 V.

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