Electromagnetism

Question 1

A current is induced in a wire by moving the wire through a magnetic field. Which is one factor that affects the direction of the current?

Revolt · Accepted Answer

the direction in which the wire moves

Question 2

Juan makes an adjustment to an electromagnet that causes the electromagnet to lose some of its strength. What did Juan most likely do?

Revolt · Accepted Answer

He reduced the number of loops in the wire.

Question 3

What is a solenoid?

Revolt · Accepted Answer

a current-carrying wire with many coils

Question 4

Assuming a current is flowing, what increases the strength of the magnetic field of a coiled electrical wire?

Revolt · Accepted Answer

adding more coils to the wire

Question 5

What is the Compact Muon Solenoid used to study?

Revolt · Accepted Answer

the particles emitted when atoms collide

Question 6

Maya sets up two experiments as shown.

Revolt · Accepted Answer

How does the thickness of the wire affect the strength of an electromagnet?

Question 7

What is the term for producing a current by moving a wire through a magnetic field?

Revolt · Accepted Answer

electromagnetic induction

Question 8

Which wire, when current flows through it, would be surrounded by the strongest magnetic field?

Revolt · Accepted Answer

A copper colored coil with 5 turns.

Question 9

If the current in each wire is the same, which wire produces the strongest magnetic field?

Revolt · Accepted Answer

a 1-mm-thick coiled wire with ten loops

Question 10

The diagram shows a setup for inducing a current in a wire.

Revolt · Accepted Answer

moving the wire downward through the magnetic field

Electromagnetism Answers