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WorksheetsModule 8 Power Supplies 1
Total questions: 20
Worksheet time: 10mins
Stan is in an electricity class at Dalton High School. On his take home exam he is asked a question about how to measure Voltage. Can you help him?
Ampere
Watt
Volt
Ohm
On the same exam he is asked how to measure current. Again, help him out...
Ampere
Ohm
Volt
Watt
How do you measure the total number of Amps & Volts needed by a specific device to function?
Ampere
Ohm
Volt
Watt
Resistance is defined as the opposition to the flow of electrical current. How is it measured?
Joule
Ampere
Ohm
Watt
Your Home PC uses this type of Voltage?
AC
DC
Ground
LC
The main power plug for a PC is called an IEC-320. Inside the plug which wire carries the electrical charge?
Earth
Ground
Hot
Neutral
When testing electrical circuitry you discover that this type of wire has no voltage.
Ground
Hot
Multimeter
Neutral
Your Aunt Bessie is going to visit England in a couple of weeks and wants to know if she should be concerned about taking her computer. What would you tell her?
Rest assured that there are no issues with computer use overseas.
Prepare for the fact that his PC will not work overseas.
Make sure he switches the power supply to 230AC.
Make sure he switches the power supply to 115AC.
You are testing outlets in your home. Which of the readings below is what your outlet should show for the hot, neutral, and ground wires (respectively!)
0 V, 115 V, 0 V
0 V, 115 V, 2 V
112 V, 115 V, 0 V
115 V, 0 V, 0 V
On a Multimeter DC voltage is shown how?
V with a ~ below it
V with a dash below it
V with a ~ above it
V with a solid line above a dashed line
Don't buy a Surge Suppressor unless it has a rating of at least _______________.
330-V
400-V
800-V
1449-V
The recommended UL (Underwriters Laboratory) rating for a surge suppressor is what?
UL497A
UL1497A
UL1449
1750 joules
A sag or low level of Electrical output by a Power Company is called a:
brownouts
blackouts
spikes
surges
If all power completely goes off then we call it a:
Sag
Brownout
Blackout
Spike
Electrical storms can wreak havoc on electronic equipment. To protect your comuter you should....
Place the device in standby mode.
Connect the device to a surge suppressor.
Connect the device to a UPS.
Unplug the device.
All Power Supplies come with this standard _____________ for interior devices and the motherboard.
hole
pin
connector
suppressor
All modern motherboards come with this 20 or 24 pin what?
P1
P2
PCIe
Berg
The standard ATX power supply will give your computer how many volts of power?
3.3, 5.0, and 12.0
5.0 and 12.0
6.0 and 12.0
12.0
Devices that require either 5 volts or 12 volts of power most often always use a ____________ connector
P1
P4
Sub-mini
Molex
The 3.5-inch floppy disk drive that has now mostly gone the way of the Dodo bird in Ice Age used a ______________ connector.
Molex
Mini
P1
P4 12V
