Take this Quiz: GCSE Physics: Magnetism and Electromagnetism | Zestly

Question 1

A student places a small compass near the North pole of a bar magnet. Which direction will the compass needle point?

Accepted Answer

Away from the North pole

Question 2

A straight wire carries a steady electric current. How can the strength of the magnetic field produced by this wire be increased?

Accepted Answer

By increasing the magnitude of the current

Question 3

Which factors increase the strength of an electromagnet using a solenoid?

Accepted Answer

Increasing the number of turns in the coil

Question 4

A wire carrying a current is placed perpendicular to a uniform magnetic field. According to the motor effect, what happens to the wire?

Answer

It begins to rotate clockwise

Answer

It experiences a force parallel to the magnetic field

Answer

It experiences a force perpendicular to both the current and the magnetic field

Answer

It remains stationary but becomes magnetized

Question 5

Using Fleming's left-hand rule, if your first finger points North (field) and your second finger points toward you (current), in which direction does your thumb point?

Answer

Upward

Answer

Downward

Answer

To the left

Answer

To the right