Practical: Measuring Electromagnetic Induction Flashcards
1
Q
equipment
A
- Voltmeter
- Magnets
- Conducting wire
- (Power supply is not needed to test e.m.f. induction)
2
Q
reading of voltmeter if wire is moving up and down between the magnet
A
changing value on the voltmeter between positive and negative depending on whether you are moving the wire up or down
3
Q
reading of voltmeter if wire is moving left and right between the magnet
A
no change on voltmeter
4
Q
reading of voltmeter if wire is increasing speed
A
bigger change in emf
