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Electric Circuits

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

 2 msec
 1 μsec
 2 μsec
 4 msec

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Electric Circuits
For a band pass filter, cut off frequency of the low pass filter should be ___ of the high pass filter?

All of these
 less than
 equals to
 greater than

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Electric Circuits
From the given figure find the R3

 25 ohm
 25 kilo ohm
 25 mega ohm
 25 mili ohm

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Electric Circuits
During charging, the electrolyte of a lead acid battery becomes

 diluted with water.
 there is no change in electrolyte.
 weaker.
 stronger.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Ceramic.
 Paper.
 Mica.
 Electrolytic.

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Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z12 = Z21.
 Z11 = Z12.
 Z11 = Z22.
 Z12 = Z22.

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