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Electric Circuits

Electric Circuits
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is

 1.89%
 1.94%
 25.64%
 39.00%

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Electric Circuits
Electrics supply for electroplating should be

 low frequency ac voltage.
 any of above.
 DC voltage.
 low AC voltage.

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Electric Circuits
Current locus is obtained by which of the following?

 Varying source frequency
None of these
 Varying any one of the circuit element
 Either of these

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Electric Circuits
Consider the following circuit. What is the value of i ?

  5 A.
 6 A.
 - 5 A.
 12 A.

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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

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

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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

  31.9 V.
 45.5 V.
  39.1 V.
 50.5 V.

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