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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
 4 msec
 2 μsec
 1 μsec

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Electric Circuits
An electrical circuit with 10 branches and 7 nodes will have

 3 loop equations.
  4 loop equations.
  10 loop equations.
 7 loop equations.

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 fast charging.
 heavy charging.
 incomplete charging.
 trickle charging.

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Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 50√2 V, 100 Hz.
 100 V, 50 Hz.
 100 V, 100 Hz.
 100√2 V, 100 Hz.

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Electric Circuits
The linear circuit element is

 resistor.
 inductor.
 all of above.
 capacitor.

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Electric Circuits
Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?

  Single way switch doesn operate at such current ratings.
  No.
  Yes.
  Single way switch doesn exist.

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