A
dynamometer type wattmeter can be used on
DC only
AC
Rectified AC only
AC
as well as DC
AC
as well as DC
A dynamometer type wattmeter can be used on AC as well DC.
&Key Points:-
This
wattmeter has two coils one is moving coil and other is fixed coil, the
operating field is produced by the fixed coil instead of permanent magnet.
Hence,
the correct option is (D).
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