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Physics Quiz - Electricity
1. Static electricity occurs when:
A two metals are connected to a battery
B different insulators are rubbed together
C the weather is very humid
2. Examples of static electricity include:
A lightning
B the Van de Graaff generator
C both of the above
3. A flow of electrons along a wire is called:
A electromagnetism
B static electricity
C current electricity
4. Substances that allow electricity to pass easily through them are:
A conductors
B resistors
C insulators
5. Substances that do not allow electricity to pass through them are:
A conductors
B cells
C insulators
6. Examples of conductors are:
A dry wood and most plastics
B the metal copper and the non-metal graphite
C tap water and rubber
7. A simple electric cell is composed of:
A different metals in water
B two non-metals in an acidic solution such as sulphuric acid
C 2 electrodes in an electrolyte solution
8. A series of simple cells connected in series is called a:
A battery
B rechargeable cell
C dry cell
9. Household circuits are mostly:
Awired in parallel
Bseries circuits
Cmade using wires of aluminium
10. The instrument used to measure current is the:
Aammeter
Bvoltmeter
Cfuse
11. When a conductor such as a screwdriver lies across two circuits creating a shorter path for electron flow, what has been created?
Aa fuse
Ba series circuit
Ca short circuit
12. All households have a wire that carries extra surges of electricity down to the earth. This is called the:
Acircuit-breaker
Bearth
Cfuse
13. The type of current produced by batteries is:
Aalternating current
Bshort circuit
Cdirect current
14. Ohm' Law is:
AResistance = voltage X current
BV = I X R
CR = V X I
15. A device to change the voltage of an electric current is the:
Atransformer
Bammeter
Cvoltmeter

 

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