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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Newton
 Weber
 Ampere turn
  Tesla

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 4 msec
 2 msec
 2 μsec
 1 μsec

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Electric Circuits
There is a ________ between two nodes of signal flow graph

 link
 branch
None of these
 tree

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 5 × 10-9 J.
 10 × 10-9 J.
 0.01 J.
 0.05 J.

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?

 2A
 1A
 0A
 5A

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (4 + j3) pu
 (2 + j4) pu
 (4 + j2 ) pu
 (3 + j4) pu

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