What is a commutator in DC machines?
Posted: Thu Jul 14, 2022 10:19 am
a) electrical device which reverses the current direction between the rotor and external circuit
b) mechanical device which reverses the current direction between the rotor and external circuit
c) electrical device which allows the current flow between the rotor and external circuit
d) mechanical device which allows the current flow between the rotor and external circuit
b) mechanical device which reverses the current direction between the rotor and external circuit
c) electrical device which allows the current flow between the rotor and external circuit
d) mechanical device which allows the current flow between the rotor and external circuit