Multiple choice

Consider the following statements:

(i) The energy losses from machines are mostly dissipated as sound energy. (ii) When current is supplied by a battery, the chemical energy is converted into electrical energy.

Which of the given statements is/are correct?

  1. Only (i)

  2. Only (ii)

  3. Both (i) and (ii)

  4. Neither (i) nor (ii)

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

Statement (i) is incorrect. The energy losses from machines are mostly dissipated as heat energy. Statement (ii) is correct. When current is supplied by a battery, the chemical energy stored in the battery converts into electrical energy.