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Electric Circuits

Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 None of these.
 1 A.
  2 A.
 3 A.

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Electric Circuits
What is a resistor?

 Test
 Capacitor
 Inductor
 Hello

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Electric Circuits
A external resistance R is connected to a cell of internal resistance r, then the current is maximum when

None of these
 R = r.
 R < r.
 R > r.

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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.
  50.8 V.
 24.4 V .

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 50 %.
 50 % - 100 %.
 100 %.
 less than 50 %.

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Electric Circuits
Cells are connected in parallel in order to increase

 efficiency.
 voltage rating.
 life of the cells.
 current capacity.

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MORE MCQ ON Electric Circuits

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