Electric Circuits
Sulphation in a lead acid battery occurs due to

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

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Electric Circuits
What is called the instantaneous value of an alternating current?

 The value of alternating quantity at any instant.
 The value of peak current at any instant.
 The value of alternating frequency at any instant.
 The value of peak quantity at any instant.

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