Which of the following would cause electromagnetic induction?

1. The tv turned on

2. A cell phone is charged by plugging it into the outlet.

3. A constant current is supplied to a circuit board in your computer

4. A flashlight is charged by shaking an internal magnet back and forth through coiled wires

Question

Physics

Lilly Christian

1 April, 18:42

Which of the following would cause electromagnetic induction?

1. The tv turned on

2. A cell phone is charged by plugging it into the outlet.

3. A constant current is supplied to a circuit board in your computer

4. A flashlight is charged by shaking an internal magnet back and forth through coiled wires

+2

Answers (1)

Know the Answer?

Jack Wilkerson · Answer 1

option 4 - A flashlight is charged by shaking an internal magnet back and forth through coiled wires

Explanation:

this is so because electro magnetic induction is produced by changing magnetic field

Which of the following would cause electromagnetic induction?1. The tv turned on2. A cell phone is charged by plugging it into the outlet.3. A constant current is supplied to a circuit board in your computer4. A flashlight is charged by shaking an internal magnet back and forth through coiled wires