The bulb will not light until the lead bromide has melted. Why not?

1.	The bulb will not light until the lead bromide has melted. Why not?
Answer» ong>Answer: The bulb won't GLOW when the electrodes are emebedded in solid lead bromide. ... The ELECTRICAL charge will be unable to move from one electrode to the other so the circuit will be broken. The bulb will glow when the material surrounding the electrodes is molten lead bromide.

Answer»

ong>Answer:

The bulb won't GLOW when the electrodes are emebedded in solid lead bromide. ... The ELECTRICAL charge will be unable to move from one electrode to the other so the circuit will be broken. The bulb will glow when the material surrounding the electrodes is molten lead bromide.

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The bulb will not light until the lead bromide has melted. Why not?

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