Extras Flashcards
(6 cards)
1
Q
Which EM wave has the longest wavelength
A
Radio
2
Q
which EM wave has the shortest wavelength
A
Gamma
3
Q
What is a kilowatt-hour a measurement of
A
energy
4
Q
iDescribe fully how a fuse helps to protect appliances from potential damage if a fault develops.
A
Current gets too high
Fuse breaks
Circuit is broken
5
Q
State how a double insulated appliance protects the user if a fault develops.
A
It is impossible for a live wire to touch the outer case or no metal
parts exposed
6
Q
Describe fully the motion of the particles in a water wave.
A
particles vibrate
90 degrees
To the direction of the wave