what is joule's heating effect how can it be demonstrated experimentally ? list its four applications
Answers
when a current pass through a conductor it becomes hot after sometime this means that electric energy is being converted into heat energy this is known as heating effect of electric current.
let us take a conductor whose resistance is R and the potential difference across the conductor is V and I is the amount of current flowing in the conductor .
let t be the time during which charge Q flows across the conductor.
we know that. I=Q/t
Q=It(1)
we know that. V=W/Q(2)
from 1 and 2
V=W/It
electric energy W=VIt(3)
according to ohm's law
V=IR
put in 3
W=I2Rt
this work done is equal to heat produce by the conductor.
H=I2Rt
electric fuse,electric iron,electric toaster,electric gyser
Answer:
the healing effect is very injurious for our life all ways we should eat healthy foid
Explanation:
eat healthy food and be healthy