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Electric Circuits

Electric Circuits
Which battery is used in aeroplanes?

 None of them.
 Edission cell.
 Dry cell battery.
 Lead acid battery.

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Electric Circuits
The form factor of sinusoidal alternating current is

 1.11.
 1.
 0.
 1.15.

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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) u (t-T).
 f (t-T) u (t-T).

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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?

 100 Ω
 1 MΩ
 1 KΩ
 1 Ω

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Electric Circuits
An electric field line and an equipotential surface are

 always parallel.
 inclined at any angle.
 always perpendicular.
 none of above.

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Electric Circuits
A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC.

 240.
 7.5.
 675.
 3600.

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