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Electric Circuits

Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 1 A.
 0.1 A.
 0.01 A.
 0.316 A.

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Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

  5 V.
 {3 + 2(1.141)} V.
 7 V.
  4.123 V.

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Electric Circuits
Which of the following can not be connected in series unless they are identical?

 Both of above.
 Resistance.
 Voltage source.
 Current source.

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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 phase angle of current in respect of supply voltage will be

 32.1o.
 40.4o.
 28.8o.
 20.2o.

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

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

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Electric Circuits
In RLC parallel circuit to get Q>1 which of the following is required?

 XL=R
 XL>R
 XL
All of these

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MORE MCQ ON Electric Circuits

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