Electricity Part II Question Preview (ID: 39321)


EP II. TEACHERS: click here for quick copy question ID numbers.

What are the parts of a schematic drawing?
a) Battery, switch, light bulb, resistor
b) Circuit
c) Battery
d) Switch

What is a switch used to do?
a) Nothing
b) It's a dummy control
c) Open and close a circuit
d) It's a resistor

True or False: In order for the lights in the classroom the loads needs to be closed.
a) True
b) False
c) Neither
d) Open

Ture or False: If a switch is closed, the load will not work
a) False: If a switch is open, the load will not work
b) True
c) Open
d) Closed

What is a circuit?
a) a complete, closed path through which electric charges (electrons) flow
b) a robot with no brain
c) a loop
d) a breaker with no field

All circuits need 3 basic parts. What are they?
a) Energy
b) Conductor/Wires
c) Loads
d) All of the above

What are batteries?
a) Chemical Cells that convert chemical energy into electrical energy
b) Things that go bump in the night
c) Something that is charged by something else
d) Something that does not use chemical energy

What is voltage?
a) a jolt
b) a drink
c) a game
d) A push that keeps a current flowing in the right direction

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

What is resistance?
a) It is the opposition to the flow of electrons , You can think of resistance as “electrical friction.”
b) A band from the '80s
c) An exercise
d) A push or pull due to force

What is a resistor?
a) An object that is added to a circuit that restricts the flow of electrical energy.
b) ?
c) ?
d) ?

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