Depending on
the requirement, this device can be
used as a current detector or for
measuring the value of the current
(ammeter) or voltage (voltmeter) FIGURE 4 21
Conversion of a
galvanometer (G) to
an ammeter by the
introduction of a
shunt resistance rs of
very small value in
parallel Rationalised 2023-24
131
Moving Charges and
Magnetism
The galvanometer can also be used as a voltmeter to measure the
voltage across a given section of the circuit