Question

Electricity
28. (a) Though same current flows through the electric line wires and the filament of bulb, yet only
the filament glows. Why?
(b) The temperature of the filament of bulb is 2700°C when it glows. Why does it not get burnt up
at such high temperature?
(c) The filament of an electric lamp, which draws a current of 0.25 A is
used for four hours. Calculate the amount of charge flowing through the
3600 c]
circuit.
(d) An electric iron is rated 2 kW at 220 V. Calculate the capacity of the fuse
that should be used for the electric iron.

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Answer 1

Explanation:

yellow filament of the bulb glow because the when we also give the container for bald and glow

b..the temperature of a number is 27 degree Celsius when it is it is very affordable because the temperature of the bulb is the 125 degrees celsius

C..