A simple device which prevents the direction of current from changing is ______?
A simple device which prevents the direction of current from changing is ______?
ایک سادہ آلہ جو موجودہ کی سمت کو تبدیل کرنے سے روکتا ہے؟
Explanation
A commutator is used in DC motors and generators to reverse or maintain the direction of current correctly.
It ensures that the current flows in one direction through the external circuit.