Electrical Machines In DC generators, the residual magnetism is of the order of 10 %. 20 %. 15 %. 2.5 %. 10 %. 20 %. 15 %. 2.5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Amperes law. Flemings left hand rule. Flemings right hand rule. Lenzs law. Amperes law. Flemings left hand rule. Flemings right hand rule. Lenzs law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, armature reaction refers to what? Effect of armature flux on the load. Effect of armature flux on the main field flux. Effect of field flux on the armature flux. None of these Effect of armature flux on the load. Effect of armature flux on the main field flux. Effect of field flux on the armature flux. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor helps in energy conversion. regulates its armature voltage. aids applied voltage. exceeds supply voltage helps in energy conversion. regulates its armature voltage. aids applied voltage. exceeds supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series field consists of--------number of turns and ---------- conductors respectively large and thick large and thin less and thick less and thin large and thick large and thin less and thick less and thin ANSWER DOWNLOAD EXAMIANS APP
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