10question based on ohm's law
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Q.1A piece of resistance wire has a resistance 16 ohm.Its diameter is doubled.what will be the new" R"?
Q.2- When a potential difference of 2v is applied across a end of a wire of 5m length, a current of 1A is found to flow it. Calculate
1. resistance per unit length
2. resistance of 2m unit length
3. resistance across ends of the wire if is doubled on itself?
Q.3-is Ohm's law applicable for insulators?
ONLY 3 I KNOW I WILL GIVE MORE
Explanation:
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