yakub made a circuit as shown in the figure. He observed that the bulb did noi gow but IX44 on bringing a compass needle near it shows deflection. He was quitce confused that if current is flowing through the circuit then why the bulb is not glowing. Meanwhile his friend Sourav arrived and suggested him to add one more cell in the circuit. The bulb. then started gowing. Denne a circuit. i) What does the deflection of a compass needle show? in) Why did the bu lb not glow in the first case but gow in the second case? (iv) What value of Sourav is shown here?
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SORRY DON'T KNOW
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