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WAEC - Physics (1991 - No. 50)

An induction coil is generally used to?
rectify an alternating current
produce a large input voltage
smoothen a pulsating direct current
modulate an incoming signal
produce a large output voltage

स्पष्टीकरण

An induction coil is a device used to produce high emf from a low-voltage direct current (DC) supply.

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