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Electric Circuits

Electric Circuits
The life of a lead acid battery is expected to be

 2 to 5 years.
 1 year.
 10 to 15 years.
 6 months.

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Electric Circuits
In a lead acid cell PbSO4 formed during

  both during charging as well as discharging.
  neither during charging nor discharging.
  discharging only.
  charging only.

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t-T) u (t).
 f (t) u (t).
 f (t-T) u (t-T).
 f (t) u (t-T).

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 2 M.
 M / L.
 M / 2.
 M.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 5.77.
 4.71.
 1.92.
 2.36.

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Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 50 ohms.
 1000 ohms.
 5000 ohms.
 500 ohms.

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MORE MCQ ON Electric Circuits

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