Q.

What is the value of capacitance of a capacitor which has a voltage of 4V and has 16C of charge?

A. 2f
B. 4f
C. 6f
D. 8f
Answer» B. 4f
Explanation: q is directly proportional to v. the constant of proportionality in this case is c, that is, the capacitance. hence q=cv. from the relation, c=q/v= 16/4=4f.
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