Question

1. which path is not a loop in this circuit?

a a, b, e, f, and a
b b, c, d, e, and b
c a, b, c, d, e, f, and a
d b, c, d, e, f, and a

Explanation:

A loop in a circuit is a closed - path where the starting and ending points are the same. Option d does not form a closed - path as it starts from B and ends at A without returning to B.

Answer:

D. B, C, D, E, F, and A