Chemistry, 15.10.2020 06:01 needhelpwithHW10

Yakub made a circuit . He observed that the bulb did not glow , but on bringing a compass needle near it shows deflection. He was quite confused that if current is flowing through the circuit then why the bulb is not glowing. Meanwhile his friend Sourav arrived and suggested that he add one more cell in the circuit. The bulb, then started glowing. (a) What does the deflection of a compass needle show? (b) Why the bulb did not glow in the first case but glow in the second case? (c) Do distilled water conduct electricity? What will happen if we add sugar to it and then salt to it? Explain.

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Yakub made a circuit . He observed that the bulb did not glow , but on bringing a compass needle nea...