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Electric Circuits

Electric Circuits
Which of the following elements is/are called dynamic element/s?

 C.
 Both L and C.
 R.
 L.

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit?

 0.4583 A.
 0.1465 A.
 0.2547 A.
 0.1578 A.

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Electric Circuits
Capacitors for P.f correction are rated in

 KVAR.
 KW.
 KV.
 KVA.

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Electric Circuits
Rms value is defined based on which of the following?

 Heating effect
 Current
 Voltage
 Charge transfer

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Electric Circuits
What are the points to be mentioned in specifying main switches?

  Voltage grade.
  Both A and B.
  None of these.
  Current rating.

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 9.59.
 - 9.59.
 6.98.
 - 6.28.

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