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Electric Circuits

Electric Circuits
In the circuit shown below, find the thevnin equivalent resistance.

 6/5 Ohm.
 1.5 Ohm.
 5/6 Ohm.
 5 Ohm.

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Electric Circuits
A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is

 250 / √3 V.
 250 √3 V.
 200 V.
 250 V.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Undamping
 Under damping
 Over damping
 Critical damping

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Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 2A
 10A
 0A
 5A

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Electric Circuits
Which of the following has no units?

 Moment of a magnet
 Magnetic susceptibility
 Permeability
 Permittivity

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Electric Circuits
The absolute charge of an electron is

 - 1.6 × 10-19 C.
 none of above.
 + 1.6 × 10-19 C.
 1.6 × 10-19 C.

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