MCQ- 6 ICSE Physics class 10 ch-4 Electricity and Magnetism

Household Circuits and Related Concepts - Class 10

1. Which device is used to automatically break the circuit during overloading?

Switch
Electric Meter
Miniature Circuit Breaker (MCB)
Capacitor

Correct Answer: Miniature Circuit Breaker (MCB)

2. Which wire is connected to the ground for safety in household circuits?

Live Wire
Earth Wire
Neutral Wire
Fuse Wire

Correct Answer: Earth Wire

3. What happens if too many electrical appliances are connected to a single socket?

Power increases
Overloading
Short circuiting
Low voltage

Correct Answer: Overloading

4. In household wiring, which type of circuit connection is preferred?

Series
Parallel
Series-Parallel
Mixed

Correct Answer: Parallel

5. Which component protects appliances from high current by melting?

Fuse
Transformer
Battery
Capacitor

Correct Answer: Fuse