Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in parallel.
 two in parallel and third in series with this combination.
 two in series and third in parallel across this combination.
 all in series.

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Electric Circuits
The voltage induced in an inductor is represented as,

 product of its inductance and current through it.
 ratio of current through it to its inductance.
 product of its inductance and rate of change of current through it.
 ratio of its inductance to current through it.

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