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Electric Circuits

Electric Circuits
In RL series circuit R=2Ω and L=2mH. What is the value of time constant?

 2msec
 4msec
 1msec
 100sec

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Electric Circuits
Time constant of RL series circuit is

 2RC
 RC
 L/R
 2L/R

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Electric Circuits
In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

 1 KΩ
 100 Ω
 1 Ω
 1 MΩ

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Electric Circuits
Bulb in street lighting are connected in

 parallel.
 series.
 series parallel.
 end of end.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 3 A.
 100 mA.
 30 mA.
 300 mA.

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Electric Circuits
The unit of electric displacement vector is

 C - m.
 C/m.
 Ampere-m.
 C/m2.

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MORE MCQ ON Electric Circuits

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