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Electromagnetic Induction Quiz

Authored by Naasir Mohamed undefined

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12th Grade

Electromagnetic Induction Quiz
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram shows a transformer with 100 V a.c. applied to the primary coil. What is the potential difference (voltage) across the secondary coil?

50 V

100 V

200 V

800 V

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The figure shows a bar magnet being pushed into a coil of wire. Which of the following?

End Q becomes N – pole

End P becomes S – pole

Current will follow in the direction show

The arrangement could be called generator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A transformer is used to change

alternating current to alternating current of a different magnitude

alternating current to constant direct current of the same magnitude

constant direct current to constant direct current of a different magnitude

constant direct current to alternating current of the same magnitude

4.

OPEN ENDED QUESTION

3 mins • 1 pt

A) write TWO sentences to explain how we could generate alternating current using the equipment shown below:

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

B) When you generate electricity using this equipment what do you see when you look at the galvanometer needle?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

i. Why is it a ‘step down ‘transformer?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

ii. The value of the current flowing through the lamp is .....................

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