The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields (a) meter is surrounded by strong magnetic fields (b) a soft iron shielding is used (c) a plastic shielding is provided (d) a shielding of anon-magnetic material is used

The working of a meter is based on
the use of a permanent magnet. In order
to protect the meter functioning from
stray magnetic fields
(a) meter is surrounded by strong
magnetic fields
(b) a soft iron shielding is used
(c) a plastic shielding is provided
(d) a shielding of anon-magnetic material
is used
by

1 Answer

Answer :

(b) a soft iron shielding is used
by

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