Please study the slides on Static Electricity - Electric field, hazards and applications of electrostatics. Be prepared to share your learning during next lesson In class. Thank you.

1. Static Electricity
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16.3 Electric Field
• An electric field is a region which an electric charge
experiences a ______
• Electric ______ line is the path a positive charge would
take if it is free to move
• Direction of electric field lines gives direction of force
acting on a ___________ test charge

2. Static Electricity
T H E M E F I V E : E L E C T R I C I T Y A N D M A G N E T I S M
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16.3 Electric Field
• To sketch combined electric field, electric lines of force are
drawn by following the rules :
1.Lines must begin on ________ charges and end on ________
charges
2.Number of lines drawn leaving positive charge or ending on
negative charge is ___________ to magnitude of charge
3. No 2 field lines can _______ each other

3. Static Electricity
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• Electric lines of forces are ________ to each
other in a stronger electric field
16.3 Electric Field

4. Static Electricity
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• Electric field between _________ oppositely-
charged plates is uniform at the central region
16.3 Electric Field

5. Static Electricity
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16.4 Hazards and Applications of Electrostatics
Electrostatic Hazards
• Build up of ____________ charges may be
dangerous
• _______ may be produced and cause a fire
• E.g. Trucks transporting petrol
• E.g. Synthetic fibres

6. Static Electricity
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16.4 Hazards and Applications of Electrostatics
Applications of Electrostatics
• Photocopier
1.Drum is charged positively
2.Image of document formed on
the drum
3.Toner is applied onto drum
4.Roller drum transfer toner to
paper

7. Static Electricity
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Applications of Electrostatics
• Laser Printer
16.4 Hazards and Applications of Electrostatics

8. Static Electricity
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• Electrostatic Paint
Spraying
16.4 Hazards and Applications of Electrostatics
• Electrostatic Precipitator
Applications of Electrostatics

9. Static Electricity
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1. An electric field is a region which an electric
charge experiences a force
2. The direction of the electric field lines gives the
direction of the force acting on a positive test
charge

10. Static Electricity
T H E M E F I V E : E L E C T R I C I T Y A N D M A G N E T I S M
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