A high-resistance voltmeter reads 3.0V when connected across the terminals of a battery on open circuit and 2.6V when the battery supplies a current of 0.2A through a lamp. The resistance of lamp is

A.

2.00\(\Omega\)

B.

13.00\(\Omega\)

C.

0.52\(\Omega\)

D.

0.13\(\Omega\)

E.

1.50\(\Omega\)

View answer & explanation

Correct answer is B

IR = 2.6 and Ir = 0.4

0.2 x R = 2.6

R = 13.00\(\Omega\)

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