1.

Observe the following circuit diagrams and answer the question.What difference do you find between diagrams A and B?

Answer»

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

We can also see the switch is in OFF mode in circuit diagram A and it is in ON mode in circuit diagram B. Circuit diagram A represents open circuit, where as circuit diagram B represents closed circuit.

in circuit A it was open and where as in B the circuit is closed 



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