Multiple choice

Which of the following statements regarding the heating effects of current is/are true?

  1. A wire shows heating effect when current is allowed to flow for a long time.

  2. Nichrome shows less heating effect than aluminium.

  3. Wires of less resistance show more heating effect.

  4. The amount of heat produced is inversely proportional to square of current flowing through the resistors.

  5. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is correct. A wire becomes hot when it is heated for a long time and hence shows heating effect.

Keep practicing — related questions