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- 1. Multiple-choice1 minute1 pt
What is the direction of the induced magnetic field?LeftRightUpDown - 2. Multiple-choice1 minute1 ptWhat is the direction of the induced magnetic field?LeftRightUpDown
- 3. Multiple-choice1 minute1 ptIn what direction is the magnet moving?LeftRightUpDown
- 4. Multiple-choice1 minute1 ptIn what direction is the magnet moving?LeftRightUpDown
- 5. Multiple-choice1 minute1 ptWhen current increases in a coil, the induced current will bein the same directionin the opposite directionclockwisecounterclockwise
- 6. Multiple-choice45 seconds1 ptWhen current decreases in a coil, the induced current will bein the same directionin the opposite directionclockwisecounterclockwise
- 7. Multiple-choice30 seconds1 ptWhich of the following is NOT an application of Lenz's LawTransformersAC generatorA coil traversed by AC currentA DC motor
- 8. Multiple-choice30 seconds1 pt
What is electric current?
A flow of charge.
An attraction between opposite charges.
A repulsion between similar charges.
A potential difference between charges.
- 9. Multiple-choice30 seconds1 pt
What is it called when a flow of electricity changes direction?
Direct Current
Alternating Current
- 10. Multiple-choice30 seconds1 pt
What are the charges that made the field above?
Left is +, Right is -
Left is -, Right is +
Both are -
Both are +
- 11. Multiple-choice30 seconds1 pt
Name the following law: A changing magnetic field creates an electric current in a coil.
Ampere's Law
Faraday's Law
Lenz's Law
Coulomb's Law
- 12. Multiple-choice30 seconds1 pt
Name the following law: A moving magnet creates an opposing magnetic field.
Ampere's Law
Faraday's Law
Lenz's Law
Coulomb's Law
- 13. Multiple-choice30 seconds1 pt
Which direction will the force act on the current shown above?
Into the page
Out of the page
Up the page
Down the page
- 14. Multiple-choice30 seconds1 pt
Which side of the coil above will be north?
Right side
Left side
