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What happens to iron and steel when placed near a magnet?
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
What happens when a magnet moves around copper?
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
In long distance AC power transmission, where is power lost?
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
Magnet materials are known as:
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
Which of these is not part of a DC motor?
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
When 2 or more magnets are placed beside each other, what happens to the magnetic field?
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
The right hand rule states that:
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
What happens when current flows through a wire?
Ferrous materials
It increases and changes shape
Thermistor
A weak magnetic field is created around the wire.
The copper becomes magnetic
When converting back to DC
Current flows in the direction of your thumb
They turn into a magnet
Check it!