Activity 13: Lets Solve This!! Directions: For each problem, use triangle to set up the equation. Show your work. Each part of the left should be filled and write the final answer in the box. 1. What is the voltage of a circuit with 15 amps of current and a toaster with 8 ohms of resistance? Voltage: Currenc Resistance: Equation: 2. How much current is in a circuit that includes a 9-volt battery with a resistance of 3 ohms? Equation: Voltage: Current Resistance: 3. A lamp operates at 115 V with a current of 0.45 A. What is the lamp's resistance? Voltage: Current A Resistance: Equation:
(No voltage/current/resistance/equation = Report)
(No voltage/current/resistance/equation = Report)
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Answer:
1. V = ?
I = 15A
R = 8 ohms
V = IR
V = 15*8
V = 120V
2. V = 9V
I = ?
R = 3 ohms
I = V/R
I = 9/3
I = 3A
3. V = 115V
I = 0.45A
R = ?
R = V/I
R = 115/0.45
R = 255.5556
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