A circuit has a supply

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

A circuit has a 24 V24\,\text V supply, a fuse rated at 2 A2\,\text A, and a resistor of value RR. If the resistor is replaced by another of value R2\dfrac{R}{2}, what happens to the current through the fuse? (a) It halves and the fuse is safe (b) It remains the same as before (c) It doubles and is likely to blow the fuse (d) It becomes four times the previous value

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