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WorksheetsELEC2 Check on Learning
Total questions: 35
Worksheet time: 25mins
(I X R)
What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?
1/4 A
144 A
4 A
0.4 A
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
1/3 ohms
3 ohms
27 ohms
9 ohms
An electric current is defined as the flow of ? through a conductor.
electrons
protons
nuclei
ohms
The unit of electrical potential is the ? , which is represented by the letter ? .
ampere/A
resistance/R
volt/V
watt/W
Which of the following circuit diagrams is an open circuit?
Which of the following circuit diagrams is a parallel circuit?
The top circuit represents a ______________ circuit.
Series
Parallel
The bottom circuit represents a ______________ circuit.
Series
Parallel
What does this symbol show
Battery
Power Supply
Connected Wires
Wires that Cross but don't connect
What is this symbol?
Capacitor
Inductor
Resistor
Diode
What does this symbol show
Battery
Power Supply
Connected Wires
Wires that Cross but don't connect
A device that permits electricity to flow through it but only in one direction.
Diode
Resistor
Transistor
Thermistor
What is the symbol in the highlighted box
Battery
Resistor
Diode
Capacitor
I = 20 A, R = 5 Ω; E = ?
100 ohms
100 volts
100 amps
4 volts
Calculate the amount of power used by an electric heating element, if the input voltage is 120 volts and the heater's resistance is 2 ohms.
240 W
60 W
72.0 kW
7200 W
How much electrical power is being used by the light bulb if the current is 2 amps and the power source is 24 volts?
12 W
48 W
12 A
48 A
what is troubleshooting?
It is a problem solving applied to repair failed process
It is a fight between 2 computers
It means having trouble shooting
What is the 1st step of troubleshooting?
Make a plan
Identify the problem
guess and replace parts till you figure it out
Give up
When troubleshooting you should annotate all actions taken and there results in your service report.
true
false
What is the purpose of testing after repair?
Bill more labor
verify the repair is correct
check to see if google was right
When a repair is complete you should only test the repair you made and not waste time on checking the whole system.
true
false
What do the three C's stand for
create, clarify, correct,
could, couldn't, cant
complaint, calibrate, correction
complaint, cause, correction
What physical quantity does ammeter measures?
Voltage
Resistance
Current
Power
We have been using AWG wire classification since_____________________
1776
1825
1837
1965
