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Electric Circuits

Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 1 W.
 7.5 W.
 9/8 W.
 6/8W.

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Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 600 A.
 6 A.
 1 A.
 100 A.

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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

 40.8 V.
  30.6 V.
 24.4 V .
  50.8 V.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Ceramic.
 Electrolytic.
 Paper.
 Mica.

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 0.5 A in parallel with 50 Ω.
 2 A with 50 Ω in series.
 2 A with 50 Ω in parallel.
 none of these.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is

 N.
 N - 1.
 b - N - 1.
 b - N + 1.

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