Question

Write a mathematical expression for joules law of heating effect of current. Name one device which works on this principle.

Answer 1

Answer:

H square is equal to I square into R into T. This is called joule's law of heating.The devices which works on this principle are Electric Heater, Immersion water Heater, Electric bulb,Fuse wire etc.

Explanation:

Here

H =Heat

I square=Current square

R=Resistance of a conductor

T=Time taken

Thanks.

Answer 2

Joules law of heating effect of current.

Explanation:

The mathematical expression for joules law of heating effect of current is given by :

$H=I^2Rt$

Here,

I is the current flowing through the circuit

R is the resistance

t is the time taken

According to joules law of heating effect of current, the electrical device emits energy in terms of heat. Some of the devices that work on this principles are Heaters, Geyser etc.

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Joules law of heating effect of current

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