P4 quiz

Everything that is in P4, which is then tested.

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  • Created by: saroop
  • Created on: 07-12-11 20:02
What exactly happens when two acetate rods are brought near each other?
they repel each other
1 of 8
Why does a an acetate rod become positively charged when it is rubbed with a duster?
because electrons move from the acetate rod to the duster and the protons from the duster move to the acetate rod
2 of 8
Power = time x energy, is this true?
False
3 of 8
If a positively charged nozzle is sprayed onto a positively charged object the paint will stick onto the object, is this true?
False
4 of 8
what is used to measure a current?(unscramble the choices the revel the answer)
mrmaete
5 of 8
What is the job of the fuse?
to break the circuit if the current becomes too large
6 of 8
Ultrasound is wave with a high:
frequency
7 of 8
Ultrasound can be used for body scans because:
can feed back information to the computer
8 of 8

Other cards in this set

Card 2

Front

Why does a an acetate rod become positively charged when it is rubbed with a duster?

Back

because electrons move from the acetate rod to the duster and the protons from the duster move to the acetate rod

Card 3

Front

Power = time x energy, is this true?

Back

Preview of the front of card 3

Card 4

Front

If a positively charged nozzle is sprayed onto a positively charged object the paint will stick onto the object, is this true?

Back

Preview of the front of card 4

Card 5

Front

what is used to measure a current?(unscramble the choices the revel the answer)

Back

Preview of the front of card 5
View more cards

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