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Electric Circuits

Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 3 Ω.
 4 Ω.
 2 Ω.
 1 Ω.

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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?

 10A
 5A
 0A
 2A

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Electric Circuits
Kirchhoff’s voltage law is used for

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

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Electric Circuits
What is a resistor?

 Capacitor
 Test
 Hello
 Inductor

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Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 high
 low
 unity
 zero

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Electric Circuits
In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant?

 4 μsec
 2 μsec
 4 msec
 2 msec

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