The contact resistance of a circuit breaker is of the order of
A. 20 micro ohms ± 10
B. 20 milli ohms ± 10
C. 20 ohms ± 10
D. 200 ohms ± 10
Answer:A
The contact resistance of a circuit breaker is of the order of
A. 20 micro ohms ± 10 B. 20 milli ohms ± 10 C. 20 ohms ± 10 D. 200 ohms ± 10