The ______ is the basis of relays and motors and generators.

The ______ is the basis of relays and motors and generators.

ریلے اور موٹرز اور جنریٹرز کی بنیاد ہے۔ _____
Explanation

The magnetic effect of electric current is the basis of relays, motors, and generators.

It involves generating a magnetic field that interacts with other magnetic fields to produce mechanical motion or electrical effects.