1.

The presence of magnetic field at a point can be detected by means of: (a) a strong magnet (b) a solenoid (c) a compass needle (d) a current carrying wire.

Answer»

The presence of magnetic field at a point can be detected by means of:

(a) a strong magnet

(b) a solenoid

(c) a compass needle

(d) a current carrying wire.



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