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Grade: 10

                        

as we know that current(I) = Q/t.........(1) but in ohms law, V is directly proportional to I Also, V is given by, V=W/Q.....(2) If we put the value of Q i.e I*t in equation (2) here we get V=W/I*t which shows that here V is inversely proportional to the current (I). How will it be possible?

3 years ago

Answers : (1)

sonika p
129 Points
							
it’s not possible. when you are writing Q in terms of current, it’s better to write even work done in terms of I. which is heat dissipated(if no other external forces are not there)
W = I2Rt
Here, R is the proportionality constant also known as resistance. 
Now, V = (I2Rt) / (I* t) = I * R, which is again Ohm’s Law. 
Hope it’s clear. 
3 years ago
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