Electromagnetism Answers
0 verified answers1 views
1
Free Preview
A compass needle normally points toward Earth’s magnetic pole, which is near the North Pole. Which best explains why the needle moves away from the pole when it comes close to a current-carrying wire?
A
Current within the wire weakens the magnetic force of the pole.B
Magnetism surrounding the wire weakens the magnetic force of the pole.C
Current within the wire draws the needle toward the wire.D
Magnetism surrounding the wire draws the needle toward the wire.2
Free Preview
How does adding an iron bar to a solenoid affect the magnetic field of the electromagnet?
A
It changes the magnetic field to a current.B
It changes the magnetic field’s direction.C
It increases the magnetic field’s strength.D
It decreases the magnetic field’s strength.3
Dante drew a diagram to show how a wire uses the magnetic field of a magnet to induce an electric current.
A
He can move the wire upward instead of downward.B
He can connect the wire to both ends of the ammeter.C
He can change the wire from coiled to straight.D
He can place the wire between the poles of the magnet and not move it.Did you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this