question_answer

A light bulb is connected in series with a battery, a switch and some wires. However, the light bulb does not light up. What is/are the possible reason(s)? A. The battery is weak. B. The switch is closed C. The bulb has blown D. The wires are made of copper

A) A only                         

B) A and C only

C) B and D only  

D) B, C and D only