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Ohm's Law & DC Circuits
Name:_______________________________
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TWO BATTERY FORMULA_CIRCLE ELECTRONS SHORT_CIRCUIT BLACK POSITIVE VOLTAGE A=CURRENT AMPERES(A) WATER OHMS_Ω DVOM DIRECT_CURRENT(DC) CURRENT_FLOW GLASS OPEN_CIRCUIT GROUND MULTIMETER CONDUCTOR INSULATOR OHM'S_LAW SINGLE ELECTRON LOAD
Across
5. A device within a circuit, such as a light bulb, is considered a resistance ___________________.
8. A(n) __________________ has a negative charge.
10. A __________ is an electromechanical device that stores electric current.
11. An instrument the measures voltage, current and resistance:
14. An electrical circuit is a closed path that allows _________ to flow in a complete circle.
15. In a _____________ ______________ circuit, current flows in one direction only.
16. ____________ is the "pressure" or electromotive force that causes electrical energy (current) to flow.
18. In using ohm's law, V = Voltage, R = resistance and __________.
20. Most automotive circuits are connected to "________" as the return circuit to the battery and/or generator.
21. A(n) ____________ is a material that does not have free electrons and therefore makes a very poor conductor.
23. A(n) ____________________ is a material that contains free electrons and easily conducts electrical current.
24. A proton has a ____________ charge.
25. Resistance is measured in ___________.
Down
1. Some commonly used insulators include plastic, rubber, and ____________.
2. The flow of electrons is much like the flow of __________ through a pipe.
3. You can use an Ohm's Law _____ ______ to find the formula to solve for a missing value when working with a DC circuit.
4. ________ _________ states that three electrical values, voltage, current, and resistance, are mathematically related.
6. A(n) __________ __________ occurs when the electrical path is broken.
7. A __________ __________ occurs when two or more conductors cross each other, resulting in error.
9. ____________ ______________ occurs when voltage moves electrons through a conductor.
12. On a multimeter, the positive lead is generally red, while the negative lead is usually ___________.
13. Current is measured in _________________.
17. In a SERIES circuit, individual components are connected end-to-end to form a ____________ path for current flow.
19. In a parallel circuit, ______ or more electrical loads are connected in separate branches.
22. Displays multimeter readings numerically:
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