Magnetism
The number of magnetic poles
Two
Represented by the first finger in both Flemming´s left and right hand rules.
Magnetic Field Direction
The units of acceleration
metres per second squared (ms-2)
The longest river in the world
The River Nile
OWTENN
Newton
The direction of magnetic field lines
From North to South
The thumb is used in the solenoid rule to indicate....
The location of the North Pole of the magnetic field
Which of the following variables is a vector quantity?
Tempertaure
Distance
Velocity
Velocity
What is the capital city of Switzerland?
Bern
RTEME
METRE
Name 3 ferromagnetic elements
Nickel, colbolt and iron
Flemming´s right-hand rule is used for what type of machine?
Generators
The Light year is a unit of......
Distance
In what decade was pop icon Madonna born?
The 50´s (1958)
ELKNIV
What type of magnet gains and loses it´s magnetism easily?
A soft magnet
Two indentical parallel wires with current tarvelling in the same direction will:
a) Attract
b) Repel
c) Experience no force
Attract
What does ´c´stand for in E=mc2?
The speed of light
What is seven cubed?
343
SLAPCA
PASCAL
Name three factors which affect the strength of an electromagnet
Any 3 from:
Number of coils
Use of magnetic core
Current
Voltage
An electron moving from left to right moves into a permanent magnetic field pointing towards you. In which direction does the electron experience a force?
Upwards.
The force acting on all objects following a circular path is known as:
Centripetal Force
Entomology is the science that studies.....
Insects
DAANCEL