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Electric Circuits

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

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

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Electric Circuits
A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

 5 times smaller than before.
 10 times greater than before.
 25 times larger than before.
 5 times greater than before.

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Electric Circuits
Container of a lead acid battery

 ceramics.
 any of above.
 celluloid.
 molded hard rubber.

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 5 mH.
 10 mH.
 20 mH.
 0 mH.

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Electric Circuits
Transients are presents in the circuit when the circuit is having

 R.
 L.
 Either L or C.
 C.

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Electric Circuits
If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor?

 9.7 ohms.
 6.7 ohms.
 8.7 ohms.
 7.7 ohms.

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MORE MCQ ON Electric Circuits

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