A cell of internal resistance 3 ohm and emf 10 volt is connected to a – McqOptions

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1.	A cell of internal resistance 3 ohm and emf 10 volt is connected to a uniform wire of length 500 cm and resistance 3 ohm. The potential gradient in the wire is [MP PET 2003]
A.	30 mV/cm
B.	10 mV/cm
C.	20 mV/cm
D.	4 mV/cm
Answer» C. 20 mV/cm

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