A voltage of 25.0 V is applied across a hollow iron pipe with an inner diameter of 2.0 cm and a thickness of 1.5 mm. A current of 1.5 A is measured. What is the length of the pipe?
A)1.1 km
B)2.5 km
C)6.8 km
D)8.1 km

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The Answer of A voltage of 25.0 V is applied across a hollow iron pipe with an inner diameter of 2.0 cm and a thickness of 1.5 mm. A current of 1.5 A is measured. What is the length of the pipe?
A)1.1 km
B)2.5 km
C)6.8 km
D)8.1 km

A Voltage of 25