All Exams Test series for 1 year @ ₹349 only
Question

The heating effect of current in a resistor is directly proportional to:

This question was previously asked in
HTET 2025 Level 1 PRT Question Paper (5-Jul-2026)
The correct answer is

I²R

By Joule's law of heating, the heat produced in a resistor is given by H = I²Rt, so the heating effect is directly proportional to I²R. This is why a higher current or resistance produces much greater heat.

Was this answer helpful?

Similar Questions

  1. Two resistors of 4 Ω and 6 Ω are connected in parallel. Their equivalent resistance is:

  2. According to Ohm's law, the slope of a V-I graph for a conductor represents


Important Questions from Current Electricity

  1. The property of electric current which is applicable in the fuse wires is

  2. An electric current is expressed by a unit called  .

  3. What do you call a component of identical size that offers a higher resistance to electricity?

  4. Identify the correct statement.

  5. _______ is a simple device that is used to either break the electric circuit, or to complete it.

Need Expert Advice?
Upcoming Exams
CTET
September 06, 2026
MH SET
September 06, 2026
Test Series
HTET img
Teaching
HTET TGT Physical Education Mock Test Series
83 Tests 2 Tests Free
889 Attempts
4.2(9)
English, Hindi

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App