Question

Let the internal circuit of a torch contain a cell, key and a bulb connected with wires. What happens when the torch is switched on?

• A. Key gets closed, current flows and bulb glows
• B. Key gets open, current flows and the bulb glows
• C. Key gets open, current does not flow and the bulb does not glow
• D. Key gets closed, current does not flow and the bulb glows.

Answer 1

The correct option is A

Key gets closed, current flows and bulb glows

When the torch is switched on, the key gets closed, current flows and bulb.