LT4 Flashcards

1
Q

When you vary the flux density of a motor, you vary the speed and torque of a motor​
(T or F)

A

True

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2
Q

What do you call a wire wound into a helical coil to create a stronger magnetic field?​

A

Solenoid

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3
Q

When you vary the flux density of a generator, you vary the voltage produced by the generator
(T or F)

A

True

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4
Q

How do relays work?

A

When current flows through the coil, the armature is attracted to the coil core​

The two contacts come together, closing the switch ​

The spring causes the armature to move away from the coil core​

This separates the contacts, opening the switch ​

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5
Q

Both Generators and Motors require magnetic poles called field poles to operate​
(T or F)

A

True

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