Lesson 1
4 Homework 1
Ken Dickson-Self
Use the following schematic for questions 1, 2 and 3.
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- Between which points would you expect to measure no voltage?
- Between which points would you expect to measure source voltage?
- The light bulb stops working. Using your meter, you read zero volts between points F and H and between E and J. You measure source voltage from I and B and from G and J. Where is the problem located?
- Draw a ladder diagram of the following circuit:
- Using Ohm’s Law, fill in the missing values for the following circuit:
R1 R2 R3 Total E 12V I R 3Ω 6Ω 4Ω - Using Ohm’s Law, fill in the missing values for the following circuit:
R1 R2 R3 Total E 12V I R 3Ω 6Ω 4Ω - Given the following schematic diagram with a control relay, siren and four switches, describe the behavior of this circuit in words.
- How much current is in a 12V circuit that has 24kΩ of resistance?
- How much voltage is present in a circuit with 30mA of current and 800Ω of resistance?
- What resistance is present in a circuit with 120V and 80µA of current?
- How would you write 2.4MΩ in scientific notation?
- How would you write 2.4µA in scientific notation?
- How might you write 3.45 x 108A?
- How might you write 8.34 x 10-6Ω?
- In the circuit below, draw in your meter to measure the following properties:
- Resistance of R1
- Voltage across R2
- Current through R1, R2, and R3
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