| Quiz | Magnetism and electromagnetism |
|---|---|
| Name | |
| Result | FAILED |
| Score | 5 / 17 (29.4%) |
| Passing score | 13.6 |
| Quiz took | 1 min 55 sec |
| Quiz finished at | 2021-03-11 09:14:19 |
A motor converts
The magnetic field around a wire with a current running through it, can represented using
The closer together field lines are, the _______ the magnetic field is
The frequency of a sound wave from a loudspeaker is controlled by the
A generator converts
Which of the following would not increase the size of the induced potential difference in a generator?
Which of the following generates alternating current?
When magnetic materials are put into magnetic field, a magnet can be
Which of the following converts pressure variations of a sound wave into variations in current in an electric current?
A coil of wire can also be called a
Which of the following can be used to change the size of the potential difference?
Which of the following generates direct current?
When a current cuts through a magnetic field, you can find which way the force will act using
In order to swap the contacts every half turn in a motor, we can use
Which of these is not a magnetic element?
A basic loudspeaker can made from an electromagnet and
An electromagnet is made using a solenoid and