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Electric Circuits

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

 s.
 s2.
 1/s.
 1/s2.

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Electric Circuits
A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C

 1.349 μF.
 1.349 F.
 1.349 nF.
 0 F.

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Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 2 W.
 - 2 W.
 - 4 W.
 4 W.

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Electric Circuits
Types of rotating machines

 synchronous machine.
 both B and C.
 IM.
 transformer.

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Electric Circuits
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as

  (Zsc . Zoc)½
 Zsc/Zoc
 Zsc-Zoc
 Zsc+Zoc

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Electric Circuits
An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation

 ic < id.
 ic = id.
 ic + id = 0.
 ic > id.

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MORE MCQ ON Electric Circuits

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