Electric Motors and Generators

Electric Motors and Generators

University

20 Qs

quiz-placeholder

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Electric Motors and Generators

Electric Motors and Generators

Assessment

Quiz

Physics

University

Hard

Created by

Darlen Marlen

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In what units is the voltage of electric motors measured?

Ampere

Pendants

Voltacр

Hertz

Newtons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electric current produced by generators?

Water flow in the river

Wind flow in the air

Directed movement of electrons

Attractive force

Division of atoms into electrons, protons and neutrons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What device is used to measure the electric current of electric motors?

Ammeter

Voltmeter

Wattmeter

Phase meter

Kenetron

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Commutator motors allow:

Reduce engine dimensions

Reduce electrical energy losses

Smoothly change the rotor speed

Increase speed

Reduce speed

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Commutator motors are used:

In the electric drive of machine tools

In car starters

In refrigerators

In electric transport devices

On wind generators

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To convert alternating current to direct current, -

Engines

Generators

Rectifiers

Heating devices

Lighting fixtures

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rotors of commutator and asynchronous motors rotate under the influence of interaction forces:

Stator current and rotor current

Stator current and rotor voltage

Stator voltage and rotor voltage

Magnetic field of the stator with current in the winding from the rotor

Voltage at the motor input and current in the rotor winding

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