Transcript Explain what happens to the cloth and the rod when they are rubbed

Pig – P4 (a to d)
Foundation
What are the names of the two
types of charge?
Explain what happens to the cloth
and the rod when they are rubbed
together? (3 marks)
Why is static a danger when a
plane refuels?
How is a defibrillator used to restart
the heart (3 points)
How does a paint sprayer use
static electricity, include one
advantage (4 points)
Correctly name the wires in the
plug (which colour is which)
Name two uses of ultrasound, other
than body scans? (2 marks)
How does a fuse work? (3 points)
Which letter shows amplitude and
which letter shows wavelength?
A
D
B
C
Which shows a longitudinal wave
and what is a compression?
A
B
What is the job of the Earth, Live
and neutral wire?
If an appliance is double –insulated
it does not need an earth wire why?
How does a variable resistor affect
the current in a circuit?