Choose the word that will replace the question mark:
Ammeter : Current :: Pedometer : ?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Steps
Given pair: Ammeter : Current → instrument : what it measures (an ammeter measures electric current)
| Pair | Relationship |
|---|---|
| (1) Pedometer : Weight | wrong instrument (weight is measured by a weighing scale) |
| (2) Pedometer : Heartbeat | wrong instrument (the heartbeat is counted by a heart-rate monitor) |
| (3) Pedometer : Voltage | wrong instrument (voltage is measured by a voltmeter) |
| (4) Pedometer : Steps (answer) | instrument : what it measures (a pedometer, often in a phone or a smartwatch, counts the steps a person walks) |