7202 Unit 107 Electrical Principles

What is Electrical current a flow of?

• Protons

• Neutrons

• Electrons

• Amps

A material that is a good conductor will have

• Low resistance

• High Resistance

• Low current

• High charge

What unit is electrical charge measured in?

• Volts

• Amps

• Watts

• Coulombs

Which are effects of an electrical current?

• Lighting

• Thermal

• Chemical

• Conductance

• Magnetic

If 150 volts are applied to a resistor causing a current flow of 3 Amps, what is the resistance?

• 450 Ohms

• 0.02 Ohms

• 50 Ohms

• 153 Ohms

If 150 volts are applied to a resistor causing a current flow of 3 Amps, what is the Power used?

• 450 Watts

• 0.02 Watts

• 50 Watts

• 153 Watts

If a current of 3 Amps flows for 20 seconds, how much charge is used?

• 6.67 Coulombs

• 60 Coulombs

• 0.15 Coulombs

• 23 Coulombs

How should we connect our test equipment?

• Volt Meters in Series, Ammeters in Parallel

• Volt Meters in Parallel, Ammeters in Parallel

• Volt Meters in Series, Ammeters in Series

• Volt Meters in Parallel, Ammeters in Series

Which of the following are sources of DC electricity?

• Battery

• Wind Turbine

• Solar PV

• Dynamo

• Alternator

Which of the following are sources of AC electricity?

• Transformer

• Wind Turbine

• Battery

• Dynamo

• Alternator