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Electric Circuits

Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 9V
 2V
 5V
 4V

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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?

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

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Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s.
 s2.
 s.
 1/s2.

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Electric Circuits
During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their

  atomic weights.
  atomic numbers.
  chemical equivalents.
  valency.

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Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z11 = Z12.
 Z11 = Z22.
 Z12 = Z21.
 Z12 = Z22.

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Electric Circuits
Which of the followings is the expression for energy stored in a capacitor?

 (1 / 2) Cv2.
 C / v.
 C dv / dt.
 Cv.

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