Question

What difference do you find between circuit diagrams A and B?

Answer 1

1. We observe that the bulb in circuit ‘A’ is not glowing and in circuit ‘B’ it is glowing. 

2. We can also see the switch is in OFF mode in circuit diagram A and it is in ON mode in circuit diagram B. 

3. Circuit diagram ‘A’ represents open circuit, where as circuit diagram ’B’ represents closed circuit.