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Electric Circuits

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?

 1A
 5A
 0A
 2A

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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.
 200 V.
 250 / √3 V.
 250 V.

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 all pins are of same size.
 for designing purpose.
 for protection purpose.
 none of these.

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Electric Circuits
Kirchhoff’s voltage law is used for

 representing a current source.
 nodal analysis.
 finding equivalent resistance.
 loop analysis.

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 30sin25πt.
 42.4sin25πt.
 30sin50πt.
 42.4sin50πt.

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Electric Circuits
In RLC series circuit, at resonance condition the value of current is

 Minimum
 Maximum
None of these
 Zero

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