Sohan connects three identical bulbs X, Y and Z as shown in the figure. Which of the following statements is correct?

Options

A. If bulb X is fused, then bulbs Y and Z will glow.
B. If bulb Y is fused, then bulb X will glow.
C. If bulb Z is fused, then bulbs X and Y will glow.
D. All the bulbs will glow with equal brightness.

Answer

C

Explanation

In case, either of bulbs X or Y is fused, Z will continue to glow. Similarly, if Z is fused, X and Y will continue to glow.