Current Electricity+ Magnetism Flashcards
0
Q
The closer the field lines, the ____ the force
A
Stronger
1
Q
Field lines always run from ____ to south
A
North
2
Q
What does Flemings left hand rule show us?
A
The movement, field and current
3
Q
How do you increase the strength of a magnetic field?
A
Increase current, increase number of turns in the coil and place a soft iron core inside the solenoid
4
Q
If a conductor is moved so it cuts across field lines, then a ___ will be induced
A
Current
5
Q
In electromagnetic induction, a current flows only when ____ is taking place
A
Movement
6
Q
In electromagnetic induction, current can be increased by_______ or_______
A
- Using a stronger magnet
2. Moving the magnet more quickly
