GCSE Physics – Induced current and microphones
Learning Objectives
-I can describe the generation of voltage in a conductor
-I can explain the action of a moving coil microphone
-I can describe the direction of induced potential difference magnetic fields
Quiz Summary
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Question 1 of 18
1. Question
How can a voltage be created in a conductor?
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Question 2 of 18
2. Question
How can a voltage be created in a conductor?
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Question 3 of 18
3. Question
How can a voltage be created in a conductor?
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Question 4 of 18
4. Question
What is generated when a current is induced into a conductor?
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Question 5 of 18
5. Question
What is generated when a current is induced into a conductor?
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Question 6 of 18
6. Question
When will an induced current increase?
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Question 7 of 18
7. Question
When will an induced current increase?
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Question 8 of 18
8. Question
When will an induced current increase?
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Question 9 of 18
9. Question
What device uses the motor effect?
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Question 10 of 18
10. Question
What is generated in the microphone?
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Question 11 of 18
11. Question
What effect do microphones use?
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Question 12 of 18
12. Question
What does the movement of a microphone coil depend on?
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Question 13 of 18
13. Question
When the coil in a microphone rotates, what happens?
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Question 14 of 18
14. Question
What do sound waves hit in a microphone?
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Question 15 of 18
15. Question
When the diaphragm of a microphone moves, what happens to the coil?
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Question 16 of 18
16. Question
What will the current depend on?
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Question 17 of 18
17. Question
When is the current reversed?
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Question 18 of 18
18. Question
When is the current reversed?
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