When the switch is turned on, what causes the bulb to glow ?
Answer & explanation
Correct answer: option 2
When the switch is turned on, the electric current flows through the circuit and thus, it causes the bulb to glow.
When the switch is turned on, what causes the bulb to glow ?
Correct answer: option 2
When the switch is turned on, the electric current flows through the circuit and thus, it causes the bulb to glow.