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DC Machines and Transformers Quiz

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Questions and Answers

In a series motor, what does the flux depend on?

Resistance

Induced voltage

Field current

Armature current (correct)

For the same torque, a series motor requires __________ compared to separately excited and shunt excited motors.

No current

More current

Same current

Less current (correct)

What type of applications are series motors suitable for?

High starting torque and heavy torque overloads (correct)

Constant speed applications

Variable speed applications

Low starting torque and light torque overloads

In a compound motor, what does the total flux depend on in the cumulative type?

<p>Sum of shunt and series field fluxes</p> Signup and view all the answers

How is the speed of a dc motor controlled?

<ul> <li>KₑΦ / KₑΦ + (V/Ra)</li> </ul> Signup and view all the answers

DC Machines and Transformers Quiz

Choose a study mode

Podcast

Questions and Answers

In a series motor, what does the flux depend on?

For the same torque, a series motor requires __________ compared to separately excited and shunt excited motors.

What type of applications are series motors suitable for?

In a compound motor, what does the total flux depend on in the cumulative type?

How is the speed of a dc motor controlled?

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DC Machines and Transformers: Characteristics and Equivalents

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