What is Joule’s Law and Heating Effect of Current…

Current, resistance, and time — Joule's Law states heat is proportional to current squared, resistance, and time (H=I²RT).

H = I²RT — The formula correctly represents Joule's law, where I is current, R is resistance, and T is time.

Collisions of free electrons with the atoms of the conductor. — Free electrons collide with atoms, losing energy as heat due to the resistance.

It quadruples — Heat generated is proportional to the square of the current (I²), hence doubling current quadruples heat.

Electric Motor — Electric motors use magnetic fields produced by current to create motion, not primarily heat.

Question 1 of 5

Joule's Law describes the relationship between heat generated in a resistor and which of the following?

Joule's Law states heat is proportional to current squared, resistance, and time (H=I²RT).

Question 2 of 5

The formula correctly represents Joule's law, where I is current, R is resistance, and T is time.

Question 3 of 5

Free electrons collide with atoms, losing energy as heat due to the resistance.

Question 4 of 5

Heat generated is proportional to the square of the current (I²), hence doubling current quadruples heat.

Question 5 of 5

Electric motors use magnetic fields produced by current to create motion, not primarily heat.