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- 1. Multiple Choice
The picture shows an electrical circuit. This circuit is a series circuit because:It has 3 light bulbs.The same current flows through all three light bulbs.It uses a single battery.The electrical current is divided between the three light bulbs. - 2. Multiple ChoiceThis is the symbol for a _____?switchlightbatterywires
- 3. Multiple ChoiceThis is the symbol for a _____?an AC current sourcea DC current sourcea batterya single cell
- 4. Multiple ChoiceThis is the symbol for a _____?LampWater wheelLoudspeakerMotor
- 5. Multiple Choicecurrent is measured in....voltsampswattsmph
- 6. Multiple Choice
Calculate current if a charge of 10 Coulombs flows past a point in 5 seconds
2 Amps
50 Amps
0.5 Amps
- 7. Multiple ChoiceVoltage is measured in __.volts.watts.coulombs.
- 8. Multiple Choice
What is the energy given off by a 20V bulb which has 10C passing through it?
200J
2J
0.5J
250J
- 9. Multiple ChoiceWhat size resistor would produce a 3 Amp current flow with a 12 Volt battery1 Ohm3 Ohms4 Ohms12 Ohms
- 10. Multiple Choice
Ohm's Law states that...
...the electricity is a series circuit will always be constant
...current is directly proportional to potential difference when temperature is constant
...current is directly proportional to power in a wire at constant potential difference
...voltage and current increase except in a thermistor
- 11. Multiple Choice
The graph shows the change in current with potential difference for
an LED
a filament lamp
a diode
a thermistor
- 12. Multiple Choice
Which component has the highest resistance?
1
2
- 13. Multiple Choice
Where would you place a voltmeter in the circuit?
Green ?
Red ?
- 14. Multiple Choice
the formula to find current when the values of V and R are known is
I = V2R
I = V/R
I = R/V
I=VR
- 15. Multiple ChoiceA2 = A3A2 + A3 = A1A1 + A2 = A3A4 = A2 - A3
- 16. Multiple Choice
____________ __________ assumes that current flows out of the positive side of the battery, through the circuit, and back to the negative side of the battery.
Conventional Current
Ohms Law
Electron Flow
Kirchoff's Current Law
- 17. Multiple Choice
In a series circuit, there are multiple paths for current to flow.
True
False
- 18. Multiple Choice
The total resistance (RT) is equal to the sum of all of the resistances (i.e., R1 + R2 + R3) in a series circuit.
True
False
- 19. Multiple Choice
The sum of all of the voltage drops (VR1 + VR2 + VR2) is equal to the total applied voltage (VT) in a series circuit.
True
False
- Answer choicesTagsAnswer choicesTags