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Electricity
Test Description: Questions to help you review for the Electricity and Magnetism test.
Instructions: Answer all questions to get your test result.
1) What happens when 2 like charges come near each other?
A
attract
B
repel
2) What happens when 2 unlike charges come near each other?
A
attract
B
repel
3) What happens when two materials are charged by rubbing against each other?
A
Both gain electrons
B
Both lose electrons
C
One gains electrons and one loses electrons
D
There is no transfer of electrons
4) In a circuit, a switch
A
follows the path of least resistance
B
opens and closes the path of charge
C
connects different parallel paths
D
turns the conductor on and off
5) An area surrounding a charged object, within which the object can exert a force without touching it is called:
A
Electric Field
B
Electric Charge
C
Induction
D
Static Charge
6) In a circuit, a conductor
A
provides electrical energy to the circuit
B
converts electrical energy into another form of energy
C
open and closes the circuit
D
provides a path for the charge to flow
7) The part of the circuit that converts electrical energy into another form of energy is the
A
voltage source
B
electrical device
C
switch
D
conductor
8) The part of the circuit that provides the electrical energy to the circuit is the
A
voltage source
B
conductor
C
electrical device
D
switch
9) What factors affect the strength/power of an electric field?
A
Distance between objects
B
All of the above
C
Size of voltage
D
Gauge (thickness) of wire
10) What happens to the brightness of the bulbs when more bulbs are added to a series circuit?
A
Brighter
B
Stays the same
C
Dimmer
11) What happens to the brightness of the bulbs when more voltage sources are added?
A
Dimmer
B
Stays the same
C
Brighter
12) An instrument used to detect an electric charge is a:
A
Van de Graff
B
Electroscope
C
Proton
D
Electron
13) The buildup of electric charge in an object caused by the uneven distribution of charged particles is called:
A
induction
B
electric charge
C
static charge
D
electric field
14) You walk past a string of small lights around a window frame. Only 2 of the bulbs are burned out. Is this a series or parallel circuit?
A
Series
B
Parallel
15) What type of circuit only has 1 path or branch for the electrical current to flow to?
A
Series
B
Parallel
16) A continuous flow of electric charge is a:
A
Conductor
B
Electric charge
C
Electric current
D
Voltage source
17) The build-up of a static charge in an object when the object is close to, but not touching, a charged object
A
Induction
B
Repulsion
C
Electric Charge
D
Attraction
18) A positively charged particle is called a:
A
Proton
B
Nuetron
C
Electron
19) A material that does not allow electricity to flow through easily is called a:
A
Conductor
B
Insulator
20) Why is a charged balloon attracted to a white board?
A
They have opposite charges
B
They are both positively charged
C
They are both negatively charged
*select an answer for all questions
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