Multiple choice

Which of the following statements is/are correct?

a. In the symbol of electric cell, the longer line represents the positive terminal and the thicker, shorter line represents the negative terminal. b. The heat wastage can be reduced by using CFL bulbs in place of electric bulbs. c. The ISI mark on an electrical appliance ensures that the circuit has been checked and is working properly.

  1. a only

  2. b only

  3. c only

  4. a and b

  5. a, b and c

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as both these statements are correct.