Current Electricity

Question: The potential gradient along the length of a uniform wire is $10\,volt/metre$. $B$ and $C$ are the two points at $30\,cm$ and $60\,cm$ point on a meter scale fitted along the wire. The potential difference between $B$ and $C$ will be

1) $3\,volt$

2) $0.4\,volt$

3) $7\,volt$

4) $4\,volt$

Solution:

Explanation: No Explanation

Different Measuring Instruments Potentiometer Meter Bridge

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