Electric Circuits
Sulphation in a lead acid battery occurs due to

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

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Electric Circuits
What is time period T?

 Time taken by an alternating quantity to complete the (-)ve half.
 Time taken by an alternating quantity to reach the peak value.
 Time taken by an alternating quantity to complete one full cycle.
 Time taken by an alternating quantity to complete the (+)ve half.

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