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Electricity Part II
Test Description: EP II
Instructions: Answer all questions to get your test result.
1) What are the parts of a schematic drawing?
A
Battery
B
Circuit
C
Switch
D
Battery, switch, light bulb, resistor
2) What is a switch used to do?
A
It's a resistor
B
Open and close a circuit
C
Nothing
D
It's a dummy control
3) True or False: In order for the lights in the classroom the loads needs to be closed.
A
Neither
B
Open
C
True
D
False
4) Ture or False: If a switch is closed, the load will not work
A
Closed
B
True
C
False: If a switch is open, the load will not work
D
Open
5) What is a circuit?
A
a breaker with no field
B
a complete, closed path through which electric charges (electrons) flow
C
a robot with no brain
D
a loop
6) All circuits need 3 basic parts. What are they?
A
Loads
B
Conductor/Wires
C
Energy
D
All of the above
7) What are batteries?
A
Something that does not use chemical energy
B
Things that go bump in the night
C
Something that is charged by something else
D
Chemical Cells that convert chemical energy into electrical energy
8) What is voltage?
A
a drink
B
A push that keeps a current flowing in the right direction
C
a jolt
D
a game
9) What are photocells?
A
Devices that converts lights into energy
B
Somethings that uses energy to take pictures
C
Someone that hops in someone else's picture
D
A tiny area that stores energy
10) What is resistance?
A
An exercise
B
It is the opposition to the flow of electrons , You can think of resistance as “electrical friction.”
C
A band from the '80s
D
A push or pull due to force
11) What is a resistor?
A
?
B
?
C
An object that is added to a circuit that restricts the flow of electrical energy.
D
?
*select an answer for all questions
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