61.Why a long wire and thin wire is more resistance while short and thick wire is less resistance

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Long and thin wires will have ___ resistance compared to short and thick wires.

(a) Name two factors on which the specific resistance of a wire depends?
(b) Two wires A and B are made of copper. The wire A is long and thin, while the wire B is short and thick. Which will have more specific resistance?

Q. Which has more resistance:

(a) a long piece of nichrome wire or a short one?
(b) a thick piece of nichrome wire or a thin piece?

Q. Which has less electrical resistance : a thin wire or a thick wire (of the same length and same material)?

Q. Assertion :In a circuit, surface of the bulb becomes warmer than the connecting wires when the same current flows through them. Reason: A thin and long wire has higher resistance than a thick and short wire.

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