Transcript Electricity

Series Circuits
Wednesday, February 5, 2014
Wednesday, 2/5 – Series Circuits/Ohms Law
 Respond to the following in your notes:
2Ω
24 v
2Ω
2Ω
Use the diagram
to:
1.Calculate RT
2.Calculate IT
 Upcoming Dates:
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Series circuit quiz on Thursday, 2/6
Week of 2/10 ‘Kindness Week’
Quiz on Wednesday, 2/12
Electricity test on Wednesday, 2/19
Kirchhoff’s Rules
Loop Rule: The sum of the potential differences
(voltage) around any closed circuit loop is zero.
Unit Overview
Types of Electricity
Dynamic
Direct Current
(DC)
Series
Static
Alternating
Current (AC)
Parallel
Complex
Question 1
What is the resistance of an electric frying pan that draws
12 amps of current when connected to a 110V circuit?
Question 2
How much current is drawn by a 25 Ω lamp when a
voltage of 12 v is applied?
Question 3
What is the voltage of a battery if it produces a current of
0.75 amps in a 12 Ω resistor?
Question 4
a. Like charges ____________ and opposite charges
__________.
b. T or F: Friction can cause charge separation
c. What causes electrons to be stripped from one material
and added to another?
Question 5
Draw a series circuit that includes the following:
1. Total voltage of 90 V
2. Total current is 5 amps
3. Three resistors of equal value
Question 6
Draw a series circuit that includes the following:
1.Total current of 2 amps
2.Total resistance of 20 Ω
3.Two resistors of equal value