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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 lose electrons
B
There is no transfer of electrons
C
One gains electrons and one loses electrons
D
Both gain electrons
4) In a circuit, a switch
A
follows the path of least resistance
B
connects different parallel paths
C
opens and closes the path of charge
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
Static Charge
B
Electric Field
C
Induction
D
Electric Charge
6) In a circuit, a conductor
A
provides electrical energy to the circuit
B
converts electrical energy into another form of energy
C
provides a path for the charge to flow
D
open and closes the circuit
7) The part of the circuit that converts electrical energy into another form of energy is the
A
voltage source
B
electrical device
C
conductor
D
switch
8) The part of the circuit that provides the electrical energy to the circuit is the
A
voltage source
B
electrical device
C
switch
D
conductor
9) What factors affect the strength/power of an electric field?
A
Size of voltage
B
Gauge (thickness) of wire
C
Distance between objects
D
All of the above
10) What happens to the brightness of the bulbs when more bulbs are added to a series circuit?
A
Stays the same
B
Brighter
C
Dimmer
11) What happens to the brightness of the bulbs when more voltage sources are added?
A
Stays the same
B
Brighter
C
Dimmer
12) An instrument used to detect an electric charge is a:
A
Proton
B
Van de Graff
C
Electron
D
Electroscope
13) The buildup of electric charge in an object caused by the uneven distribution of charged particles is called:
A
static charge
B
electric field
C
electric charge
D
induction
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
Parallel
B
Series
15) What type of circuit only has 1 path or branch for the electrical current to flow to?
A
Parallel
B
Series
16) A continuous flow of electric charge is a:
A
Voltage source
B
Electric charge
C
Electric current
D
Conductor
17) The build-up of a static charge in an object when the object is close to, but not touching, a charged object
A
Electric Charge
B
Repulsion
C
Attraction
D
Induction
18) A positively charged particle is called a:
A
Nuetron
B
Proton
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 negatively charged
C
They are both positively charged
*select an answer for all questions
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