1. A current is induced as it moves through a magnetic field. What would happen to the current if it were to be moved through a stronger magnetic field?

Question

the induced current will increase

the induced current will decrease

there is not enough information to say

the induced current will stay constant

2. When was the first compass used for navigation in Europe?

the 1100’s

the 1900’s

the 1500’s

the 1800’s

3. A generator converts:

electrical energy into mechanical energy

mechanical energy into a different form of mechanical energy

mechanical energy into electrical energy

electrical energy into a different form of electrical energy

4. Which of the following would be considered electromagnetic induction? Select all that apply.

moving a magnetic field over a charged particle

moving a magnet in an electric field

moving a conducting wire through a magnetic field

moving an electric charge in a magnetic field

5. Which of the following states the Faraday’s Law?

An electric field will be induced in an area where the magnetic field is changing with respect to time. The electric field is directly proportional to the rate of change of the magnetic field and is at right angles to the changing magnetic field.

The magnitude of the magnetic force on a wire is directly proportional to the number of charges coming through the wire (current), the strength of the magnetic field, and the length of the wire in that magnetic field.

The strength of the electrostatic force between two charged particles is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

A magnetic field will be induced in an area where the electric field is changing with respect to time. The magnetic field is directly proportional to the rate of change of the electric field and is at right angles to the changing electric field.

6. Which of the following scientists have SI units named after them in electromagnetism? Check all that apply.

Charles Coulomb

Hans Christian Oersted

Alassandro Volta

Andre-Marie Ampere

7.
Which of the following are true? Select all that apply.

When more wraps are added to a secondary coil in a transformer the voltage decreases.

When more wraps are added to a primary coil in a transformer the voltage decreases.

When more wraps are added to a secondary coil in a transformer the voltage increases.

When more wraps are added to a primary coil in a transformer the voltage increases.

8. Which of the following SI units were named after famous scientists? Select all that apply.

coulombs

amps

volts

tesla

9.
Which of the following must be true for a current to be induced in a wire passing through a magnetic field?

the magnetic field and the direction of motion must be perpendicular

the magnetic field and direction of motion must be parallel

10.
What is magnetic flux?

the velocity of the charged particle moving through a magnetic field

the work done by a magnetic field on a charged particle

the change in magnetic field over time

the number of magnetic field lines passing through a specific area

Answer 1

Here are the answers to your questions:

1. A current is induced as it moves through a magnetic field. What would happen to the current if it were to be moved through a stronger magnetic field?

   • The induced current will increase.

2. When was the first compass used for navigation in Europe?

   • The 1100’s.

3. A generator converts:

   • Mechanical energy into electrical energy.

4. Which of the following would be considered electromagnetic induction? Select all that apply.

   • Moving a conducting wire through a magnetic field.
   • (Note: "Moving a magnet in an electric field" can also be considered induction in some contexts, but it's less clear than the others.)

5. Which of the following states Faraday’s Law?

   • An electric field will be induced in an area where the magnetic field is changing with respect to time. The electric field is directly proportional to the rate of change of the magnetic field and is at right angles to the changing magnetic field.

6. Which of the following scientists have SI units named after them in electromagnetism? Check all that apply.

   • Charles Coulomb
   • Hans Christian Oersted
   • Alessandro Volta
   • Andre-Marie Ampere

7. Which of the following are true? Select all that apply.

   • When more wraps are added to a secondary coil in a transformer the voltage increases.
   • When more wraps are added to a primary coil in a transformer the voltage decreases. (Note: This statement might be a bit misleading. More wraps in the primary coil generally increase the voltage in the secondary coil but decrease the current.)

8. Which of the following SI units were named after famous scientists? Select all that apply.

   • Coulombs
   • Amps
   • Volts
   • Tesla

9. Which of the following must be true for a current to be induced in a wire passing through a magnetic field?

   • The magnetic field and the direction of motion must be perpendicular.

10. What is magnetic flux?

    • The number of magnetic field lines passing through a specific area.