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Electric Circuits

Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 2 A.
 0.5 A.
 1 A.
 1.5 A.

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Electric Circuits
Unit step function is first derivative of

 parabolic function.
 ramp function.
 impulse function.
 gate function.

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Electric Circuits
Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance?

 Red, red, green and silver stripes.
 Yellow, violet, yellow and silver stripes.
 Brown, black, orange and no tolerance band.
 Orange, orange, black and gold stripes.

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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
 1 μsec
 2 msec
 2 μsec

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Electric Circuits
Which property is used to oppose the flow of current ?

 Resistance
 Inductance
 Capacitance
 Poteintial difference

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.029.
 0.049 H.
 None of these.
 0.058 H.

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