Yr.10. Unit 2. Ohms Law
Presentation
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Other
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9th - 12th Grade
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Practice Problem
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Easy
Shane Donnelly
Used 15+ times
FREE Resource
6 Slides • 5 Questions
1
Ohms Law
The law stating that electrical Current is proportional to Voltage and inversly proportional to Reistance
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• Current: The flow of electricity through the electronic circuit
• Measured in: Amps (noted as I)
• Voltage: The quantity of electrical energy stored
• Measured in: Measured in Voltage (noted as V)
• Resistance: is a force that counteracts the flow of current.
• Measured in: Measured in Ohms (noted as Ω)
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Multiple Choice
If the current through a resistor is 0.8A & the voltage is 20V- What is the resistance?
33 ohms
25 ohms
10 ohms
16 ohms
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Multiple Choice
A Coil has a current of 0.5A flowing through it when the voltage is 12V. WHat is the resistance of the coil
30 ohms
0.041 ohms
24 ohms
82 ohms
9
Multiple Choice
What size resistor would produce a 3A current flow in a 12V battery?
1 Ohm
3 Ohms
4 Ohms
12 Ohms
10
Multiple Choice
What is current?
The force that counteracts the flow of current
The electrical energy stored
The ability to do work
The flow of electrcity through an electronic circuit
11
Multiple Choice
What is Resistance?
The force that counteracts the flow of current
The electrical energy stored
The ability to do work
The flow of electrcity through an electronic circuit
Ohms Law
The law stating that electrical Current is proportional to Voltage and inversly proportional to Reistance
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