The voltage drop across a standard resistor of 0.2 Ω is balanced at 83 cm. The magnitude of the current, if the standard cell emf of 1.53 V is balanced at 42 m is ___________

The voltage drop across a standard resistor of 0.2 Ω is balanced at

1.	The voltage drop across a standard resistor of 0.2 Ω is balanced at 83 cm. The magnitude of the current, if the standard cell emf of 1.53 V is balanced at 42 m is ___________
A.	13.04 A
B.	10 A
C.	14.95 A
D.	12.56 A
Answer» D. 12.56 A

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