Magnetism And Electromagnetism Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is shown by the direction of the arrow on the magnetic field line

A

Direction in which a free North Pole would point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Fleming‘s left-hand rule works with conventional current only. What is conventional current?

A

The belief that the positive charge goes to the negative charge. So that the current flows from positive to negative.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Explain what is meant by alternating-current

A

Current and voltage varie about axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What would happen to the rod if you changed the 6 V battery and replaced by a 6 V AC 50 Hz power supply.

A

The road would vibrate backwards and forwards quickly. At a frequency of 50 Hz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does electromagnetic induction mean

A

The creation of a voltage and maybe a current in a wire which is experiencing a change in magnetic field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

When a magnet moves down a solenoid is induces a voltage. What direction is the voltage

A

The voltage is direct is only travelling in One Direction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

When test mentions suggest two ways in which experiment could be improved when talking about magnetic induction

A

Mention anything that makes voltage induction greater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly