Electricity: Electric Circuits
Electric Circuits: Audio Guided Solution
Problem Set EC3, Question 3:
A typical color television draws about 2.74 Amps when connected to a 120-Volt source. What is the effective resistance (in ohms) of the TV set?
Audio Guided Solution
Habits of an Effective Problem Solver
An effective problem solver by habit approaches a physics problem in a manner that reflects a collection of disciplined habits. An effective problem-solver...
- ... reads the problem carefully and develops a mental picture of the physical situation. If necessary, sketches a simple diagram of the physical situation to help you visualize it.
- ... identifies the known and unknown quantities and records them in an organized manner. Equates given values to the symbols used to represent the corresponding quantity - e.g., ΔV = 9.0 V; R = 0.025 Ω; I = ???.
- ... uses physics formulas and conceptual reasoning to plot a strategy for solving for the unknown quantity.
- ... identifies the appropriate formula(s) to use.
- ... performs substitutions and algebraic manipulations in order to solve for the unknown quantity.
Read About It!
Get more information on the topic of Electric Circuits at The Physics Classroom Tutorial.
Watch It!
Try our YouTube video on the topic of ...