• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

How Engineering Works

  • Home
  • MCQ
    • Electrical MCQ
    • Civil MCQ
    • Mechanical MCQ
  • Interview Questions
  • About Us
  • Privacy Policy
  • Disclaimer
  • Contact Us

What is Joule’s law of electric heating?

March 27, 2018 by

DWQA Questions › Category: Basic of Electrical Engineering › What is Joule’s law of electric heating?
0 Vote Up Vote Down
admin Staff asked 5 years ago
1 Answers
0 Vote Up Vote Down
admin Staff answered 5 years ago

Answer: According to joule’s law of electric heating, the energy expended or heat generated in joule is given as
work done or heat generated = I^2Rt = VIt = Wt joules.

According to joule’s law of heating, heat produced in an electric circuit is
1. proportional to the square of the current.
2. proportional to the resistance of the circuits.
3. proportional to the time duration for which the current flow through the circuit.

You can also Read :
Interview Questions
MCQ or objective

Primary Sidebar

Related Questions

  • Why do the positive and negative wires spark when touched? asked by
  • Why can we not store AC like DC ? asked by admin
  • What happens when an DC supply is directly connected to an AC supply? asked by
  • Define active, reactive and Apparent power ? asked by admin

INTERVIEW QUESTIONS

MCQ or Objective


Recommended Post

MCQs on DC Motor

Most important questions of DC generator

Civil Engineering MCQ

Starting methods of synchronous motor?

MCQs on Transmission and Distribution

Categories



Join Our Whatsapp Group


About Us | Privacy Policy | Disclaimer


Copyright@ Since-2017