AQA GCSE Physics - The generator effect

AQA GCSE Physics - The generator effect

Assessment

Assessment

Created by

Conor Davies

Physics, Science

9th - 10th Grade

153 plays

Hard

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10 questions

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1.

Multiple Choice

30 sec

1 pt

What is another name for electromagnetic induction?

The motor effect

The generator effect

A solenoid

A flux capacitor

2.

Multiple Choice

30 sec

1 pt

How can the direction of an induced potential be reversed?

By changing the direction of the magnetic field

By using fewer coils

By moving the magnet faster

By changing the direction of the magnetic field, and moving the magnet in the opposite direction

3.

Multiple Choice

30 sec

1 pt

How is contact between the coil and circuit maintained in an alternator?

A split ring commutator connects to each side for half a turn

It cannot be maintained.

The alternator can only complete one revolution and must then be rotated in reverse

Slip rings and brushes allow continuous connection

4.

Multiple Choice

30 sec

1 pt

What is the voltage from an alternator half a turn after maximum positive output?

Half the maximum output

Maximum positive output again

Zero voltage

Maximum negative output

5.

Multiple Choice

30 sec

1 pt

How can the voltage output from an alternator be doubled?

Halve the speed of rotation but reverse the direction of rotation

Double the speed of rotation

Reverse the direction of rotation

Use half the number of coils

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