Select the word pair in which the words are related in the same way as the words are related in the following pair.
Hygrometer : Humidity
Answer & explanation
Correct answer: option 4
Logic here is :
Hygrometer : Humidity
Hygrometer is used to measure Humidity .
Similarly ,
By observing all options we find that only option 4 follow the same pattern .
Ammeter : Electric Current
Ammeter is used to measure electric current .
Ammeter : Electric Current is correct answer .