The diagram of circuit breaker may vary. So it is important that you analyse the structure of the circuit breaker in the diagram to understand how it works. The following are two examples of circuit breaker where the structures are different, but the basic working principles are the same. Video explanation part 01: 2022PPp2q10 2022PPp2q10 Suggested answers: Video explanation part 02: 2024PPp2q11 2024PPp2q11 Suggested answers:

Answer: Option A The direction of the magnetic field is downwards in the diagram. You can think of a North Pole of a magnet that is at...

When the current flows through the solenoid, the U-shaped iron rod will become magnetised easily and strongly. When the current is cut...