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Questions and Answers
What effect does an electric current have on a nearby compass needle?
What effect does an electric current have on a nearby compass needle?
- It repels the needle
- It has no effect on the needle
- It attracts the needle
- It deflects the needle (correct)
What is the unit used to measure magnetic field strength?
What is the unit used to measure magnetic field strength?
- Volt
- Oersted (correct)
- Tesla
- Ampere
How is the copper wire placed with respect to the plane of the paper in the activity?
How is the copper wire placed with respect to the plane of the paper in the activity?
- Perpendicular (correct)
- Diagonal
- At an angle
- Parallel
What material is the long straight conductor made of in the activity?
What material is the long straight conductor made of in the activity?
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What happens to the compass needle when the electric current is passed through the copper wire?
What happens to the compass needle when the electric current is passed through the copper wire?
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