Unit Test — Unit test

Question 1

brushtransformercommutatorarmature

Revolt · Accepted Answer

armature

Question 2

The diagram shows a simple electric generator that Keisha is studying.

Revolt · Accepted Answer

It will move back and forth between a large positive and a large negative value.

Question 3

What must be known to determine the direction of the magnetic force on a charge? Check all that apply.the type of the chargethe amount of the chargethe direction of the magnetic fieldthe velocity of the chargethe strength of the magnetic field

Revolt · Accepted Answer

the type of the charge; the direction of the magnetic field; the velocity of the charge

Question 4

A magnetically soft material is placed in a strong magnetic field.

Revolt · Accepted Answer

It will become a temporary magnet because the domains will easily realign.

Question 5

The voltage across the secondary winding is 10,000 V, and the voltage across the primary winding is 25,000 V. If the primary winding has 200 coils, how many coils are in the secondary winding?

Revolt · Accepted Answer

80 coils

Unit Test — Unit test Answers

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