WorksheetsUnit 2
Total questions: 40
Worksheet time: 20mins
What is the equation for finding resistance?
V / I
V / V
I x V
R / V
Resistance is measured in
amps
volts
ohms
overthrowing the government
True or False: You should always replace fuses with the same rating
True
False
If you add another light (resistor) to a parallel circuit:
the current in the circuit goes down when you add another path
the total resistance of the circuit stays the same
the total resistance of the circuit goes up
the total resistance of the circuit goes down
A student removes a bulb from a circuit and the other bulbs continue to work. This circuit is:
series
parallel
A fuse is used to:
break the connection and save the device or environment
add an additional path to the circuit
increase the cost of a circuit
monitor the amount of current flowing from the hot (small slot) to neutral (large slot)
This is an example of what circuit?
series
parallel
True or false: Hydraulic Systems have an exhaust point after liquid is used.
True
False
When you add another light to a series circuit, what happens to the current?
Goes up
Goes down
Stays the same
Which law states that a volume of gas is proportional to its temperature?
Charles's
Boyle's
Bernoulli
Pascal
One burnt out bulb is preventing a string of lights from working. This string of lights was made in:
parallel
series
pitchDiameter This equation describes the IMA of what simple machine?
Wheel and Axle
Screw
Pulley
Inclined Plane
What is this a schematic of?
Battery
Switch
Resistor
Lightbulb
A safety device that prevents electrical shock at an outlet is called
Breaker Box
Fuse
GFCI
Short circuit
Which one of these equations is correct regarding pressure, force, and area?
P = A / F
P = F / A
A = P x A
F = P / A
Current is measured in
amps
water flow
volts
inches
The simple machine described as an inclined plane wrapped around a rod is called a:
Lever
Screw
Wedge
Wheel and axle
Which system deals with pressurized air?
Hydraulics
Pneumatics
Which law states the pressure of a gas increases as its volume decreases?
Charles's
Boyle's
Bernoulli
Pascal
Which class lever will always have an IMA greater than 1?
1
2
3
What system is this a schematic of?
Electrical
Series
Pneumatics
Hydraulics
What is the equation for finding Voltage?
V x R
R / I
I x R
V / I
Force is expressed in:
Newtons
Pascals
meters squared
True or False: Liquids are compressible.
True
False
In a parallel circuit, the current:
only takes on path
has at least one point where the current divides
takes only one path when there are other paths connected
takes multiple paths called trees
The IMA for a pulley is defined as:
The number of pullies
The weight of the force
Number of loops
Number of supporting ropes
What class lever is this?
1
2
3
The device used to pump air in a sealed container to build pressure is called an:
Valve
Exhaust
Resevior
Air Compressor
What happens to the pressure of water in a uniform pipe as it travels up to a higher elevation?
Increases
Stays the same
Gets hotter
Decreases
Two inclined planes put together is a description of what simple machine?
Lever
Wedge
Wheel and Axle
Screw
Which law states that when the speed of a liquid increases, the pressure will decrease?
Charles's
Boyle's
Bernoulli
Pascal
What is this a schematic of?
lightbulb
switch
motor
battery
Pressure is expressed in:
Newtons
Peer
Pascals
A lift used to move a car vertically would primarily use what power souce?
Hydraulics
Pneumatics
With an inclined plane, the trade off for having to do less work is:
getting fired
moving a heavier weight
moving the weight a longer distance
An unintended path for electricity is called
a fuse
short circuit
GFCI
a breaker
This is an example of what circuit?
series
parallel
The usage point of a pneumatic system would be the same thing as a ____________ in a hydraulic system?
Pump
Value
Actuator
Reservoir
Which class lever will always have a IMA less than 1?
1
2
3
What class lever is this?
1
2
3
