Question
Physics Question on Current electricity
A galvanometer can be converted into an ammeter by connecting
A
a high resistance in parallel
B
a very small resistance in series
C
a very small resistance in parallel
D
a high resistance in series
Answer
a very small resistance in parallel
Explanation
Solution
An ammeter is an instrument which is used to measure current in a circuit in ampere (or rnilli ampere or microampere).
Hence, it is aiways connected in series in the circuit
To convert a galvanometer into an ammeter its resistance is to be decreased, so to convert a galvanometer into ammeter a low resistance called shunt (S) is connected in parallel to the galvanometer.