Select the appropriate antonym for the underlined word:
How does one rectify voltage fluctuations?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → stability
Fluctuations are frequent, irregular rises and falls in level or amount. Voltage fluctuations are changes in voltage that go up and down unpredictably. Its antonym is stability.
Example: The fluctuations in prices worried the traders.
| Word | Meaning | Example |
|---|---|---|
| (1) energise | to give energy or supply power to (it is a verb and has nothing opposite to fluctuation) | A short walk will energise you. |
| (2) manifestation | a sign or appearance of something (a fluctuation can itself be a manifestation of a fault) | Fever is a manifestation of infection. |
| (3) stability (answer) | the state of remaining steady and unchanged (fluctuation is constant change, and stability is the absence of such change) | The new power line has brought stability to the voltage in our area. |
| (4) activate | to start or set working (it has no link with steadiness) | Press the button to activate the alarm. |