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Questions and Answers
What is the primary function of a DC motor?
What is the primary function of a DC motor?
- To convert electrical energy to mechanical energy (correct)
- To regulate voltage and current in a circuit
- To convert AC power to DC power
- To convert mechanical energy to electrical energy
What is the equation that represents the voltage equation of a DC motor?
What is the equation that represents the voltage equation of a DC motor?
- V = R*I + E (correct)
- V = R*I + E + L*di/dt
- V = R*I - E
- V = R*I + L*di/dt
What is the purpose of starting and speed control of DC motors?
What is the purpose of starting and speed control of DC motors?
- To change the direction of rotation of the motor
- To increase the efficiency of the motor
- To control the speed and torque of the motor (correct)
- To reduce the losses in the motor
What is the term used to describe the losses in a DC machine?
What is the term used to describe the losses in a DC machine?
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What is the purpose of testing DC machines?
What is the purpose of testing DC machines?
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