Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is unity power factor leading power factor lagging power factor None of these unity power factor leading power factor lagging power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is lagging power factor unity power factor None of these leading power factor lagging power factor unity power factor None of these leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would decrease. increase. None of above. not change. decrease. increase. None of above. not change. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slot edges in a DC machine are made of Cast iron. Fibre. Mild steel. Silicon steel. Cast iron. Fibre. Mild steel. Silicon steel. ANSWER DOWNLOAD EXAMIANS APP
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