DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Full-load current All of these Operating speed Starting torque Full-load current All of these Operating speed Starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Commutator Armature Brushes Field Commutator Armature Brushes Field ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 50 to 75 percent 20 to 25 percent 2 to 3 percent 10 to 15 percent 50 to 75 percent 20 to 25 percent 2 to 3 percent 10 to 15 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is Directly proportional to flux per pole inversely proportional to applied voltage None of the listed here inversely proportional to flux per pole Directly proportional to flux per pole inversely proportional to applied voltage None of the listed here inversely proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Coloumb's law Lenz's law Faraday's law Fleming's left hand rule Coloumb's law Lenz's law Faraday's law Fleming's left hand rule ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Voltage regulator Armature divertor Field divertor Potential divider Voltage regulator Armature divertor Field divertor Potential divider ANSWER DOWNLOAD EXAMIANS APP
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