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Section 2: Series and Parallel
Circuits
Series Circuits
Picture of Series Circuit:
Properties:
1) Current:
2) Voltage:
3) Equivalent
Resistance:
Sample
Problem 1:
1)
Find the equivalent resistance:
2)
Find the current in the circuit:
3)
a)
Find the voltage drop across each
resistor:
30 ohm:
b)
10 ohm:
c)
200 ohm:
Sample
Problem 2:
1)
Find the equivalent resistance:
2)
Find the current in the circuit:
3)
a)
Find the voltage drop across each
resistor:
30 ohm:
b)
15 ohm:
c)
20 ohm:
More Practice Problems:
Holt Physics: Pg 739 (1-4)
Parallel Circuits
Picture of Parallel
Circuit:
Properties:
1) Current:
2) Voltage:
3) Equivalent
Resistance:
Sample
Problem 1:
1)
Find the equivalent resistance:
2)
Find the total current in the circuit:
3)
a)
Find the current in each resistor:
30 ohm:
b)
10 ohm:
c)
200 ohm:
Sample
Problem 2:
1)
Find the equivalent resistance:
2)
Find the total current in the circuit:
3)
a)
Find the current in each resistor:
20 ohm:
b)
30 ohm:
c)
40 ohm:
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