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Electric Circuits

Electric Circuits
The life of a lead acid battery is expected to be

 6 months.
 2 to 5 years.
 1 year.
 10 to 15 years.

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Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.318 A.
 1 A.
 0.5 A.
 0.637 A.

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Electric Circuits
Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

 series
  both of above
  none of them
 parallel

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 more than 10000 volts.
 200 to 1600 volts.
 20 to 60 volts.
 2000 to 3000 volts.

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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

 40.4o.
 28.8o.
 20.2o.
 32.1o.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 1 A.
 2 A.
 4 A.
 2.5 A.

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MORE MCQ ON Electric Circuits

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