Question

12) An electric lamp glows 1 point
due to,
a) Heating effect
b) Magnetic effect
c)Chemical effect
d) Physical effect​

Answer 1

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Heating effect

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Answer 2

Answer:

Required Answer:-

Electric lamp glows due to:

Heating effect (D)

Electric lamp is a light giving appliance which glows when the current is passed through the filament. The filament is generally made up of metals with high melting point like Tungsten which doesn't melt even when a lot of current passes through it..

☪️ More such appliances:

Works on Heating effect:

Electric heater

Electric iron

Electric kettle

Filament lamps (as in above)

Works on magentic effect:

Electric bell

Electric fan

Radio & Television

Some appliances are based on more than two different effects of electric effect.