Problema Solution

According to Joule's Law, the heat Q dissipated by a current I passing for t seconds through a resistance R is given by

I^2 R t

Q = -------

J

Where J is the mechanical equivalent of heat.

Solve for t.

Answer provided by our tutors

According to Joule's Law, the heat Q dissipated by a current I passing for t seconds through a resistance R is given by

I^2 R t

Q = -------

J

Where J is the mechanical equivalent of heat.

Solve for t.

Solution:

Q = I2Rt/J

t = QJ/(I2R )