Question
Physics Question on Moving charges and magnetism
Resistance of an ideal ammeter is
A
zero
B
small
C
very high
D
infinite
Answer
zero
Explanation
Solution
zero
An ammeter, also known as an ampere meter, is a measuring device used to measure the current in a circuit in amperes. Micro-ammeters and milli-ammeters are ammeters used to measure current in smaller units. Moving coil, electro-dynamic, digital, and other types of ammeters are used. In the circuit, they are all linked in series. If an ammeter has a significant amount of resistance, it will raise the equivalent resistance of the circuit, resulting in less current flowing. As a result, we will encounter measurement inaccuracies.