Question

Observing that the bulb does not glow in circuit X , Raj changed the circuit as shown in figure Y.
a. What did he observed in circuit Y?

b. Why did the bulb not glow in figure X?

c. What will happen if the number of the cells will increase in circuit Y?

Answer 1

Answer:

a. He notices that when he kept the compass near the electrical wire with current flowing through it, the compass did not point north; instead, the compass needle pointed in the direction of the current's magnetic field.

b. The bulb did not glow because the current was not sufficient to make it glow.

c. Deflection in the compass will increase further.

Explanation:
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