Phys Ohms Law

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Unit 3: Charge, Electricity, and Magnetism
Unit 3 Note-Guide #3 – Series and Parallel Circuits Symbols
Objective:
Students will be able to define the __________ circuit in order to calculate the total resistance of a circuit with both
series and parallel paths.
Entrance Ticket:
1. Calculate the Current (I) of an appliance connected to a 70 V Source
which has a resistance of 9 Ω:
2. Calculate the Current (I) of an appliance connected to a 120 V Source
which has a resistance of 8 Ω:
3. Calculate the Resistance (Ω) of an appliance connected to a 60 V Source which has a Current of 9 A:
Vocabulary:
Combination Circuit – This is a circuit composed of ___________ and _____________
paths.
Video Demonstration – Electric vs. Petrol Cars
Electric vs. Petrol Car. Which would YOU use and why? _______________________________________________
______________


In Petrol cars, the ________ tank and the I.C. Engine help to move the pistons in a linear motion.
In an electric car, the power source is from a _____________ pack.,
Instruction- Combination Circuits
Finding the Total Resistance in a Combination Circuit - The strategy is to focus on
the equivalent resistance of ________ paths in order to transform into a series
circuit.
Combination Circuits - Instruction - Calculate the Total Resistance,
then Use to calculate the Total Current.
VT =
IT =
RT =
Combination Circuits – Guided Practice – Calculate the Total Resistance, then Use to calculate the Total
Current.
VT =
IT =
RT =
Combination Circuits – Check for Understanding - Calculate the Total Resistance, then Use to calculate the
Total Current.
1.
VT =
IT =
RT =
2.
VT =
IT =
RT =
3.
VT =
IT =
RT =
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