Question

An experiment is being performed to test the conduction of electricity through a sample liquid as shown in the image, What happens when the current passing through the circuit is too weak?

• A. The filament does not get heated sufficiently and the bulb does not glow.
• B. The filament gets heated but the bulb does not glow.
• C. The filament does not get heated but the bulb glows.
• D. The filament gets heated and the bulb glows.

Answer 1

Answer: (A)

The filament does not get heated sufficiently and the bulb does not glow.

When the current through the circuit is too weak, the filament does not get heated sufficiently and the bulb does not glow.