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Electric Circuits

Electric Circuits
Mesh analysis is prefered when loops are------nodes

 equals to
 any of the above
 greater than
 less than

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Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10 6 μF.
 10- 6 μF.
 10- 3 μF.
 10 3 μF.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 negative co-efficient.
 both 1 and 2.
 positive co-efficient.
None of these

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 36.36.
 40.25.
 76.66.
 66.66.

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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?

 100 A.
 1 A.
 6 A.
 600 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 L is

  39.1 V.
 50.5 V.
  31.9 V.
 45.5 V.

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