4 Diagram 2 shows the scale of a microammeter.
Rajah 2 menunjukkan skala sebuah mikroammeter
140 60
20
SO 100
wala
Diagram 2
Rajah 2
What is the sensitivity of the microammeter?
Berapakah kepekaan mikroammeter itu?

100 micro-ampere

Explanation:

The sensitivity of an ammeter is the current required for the ammeter to reach its maximum reading or to cause maximum deflection of the ammeter.

As the relative amount of current required to cause maximum deflection of an ammeter is lesser, the sensitivity of the ammeter is said to be higher or the ammeter is said to be more sensitive

Therefore, given that the maximum reading on the given microammeter is 100 μA, the current required to cause the maximum deflection an thus the sensitivity of the ammeter is 100 micro-ampere.

the first, second, and fifth options