NEET Physics Current Electricity Questions Solved

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

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