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Electricity & Electronics

Engineering Technology

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Across
4.electrons in outer shell that create electricity
5.unit of measure for current
6.tiny device used to control current and amplify voltage or current
9.a flash light battery cell is ___
10.materials that resist the flow of voltage
12.positive charges of an atom
13.process of losing or gaining electrons
17.the study of the control of electron flow in a circuit
20.materials that do not have a strong hold on valence electrons
21.no charge
23.device that changes mechanical energy into electrical energy
24.the flow of electrons in a wire or other conductor
25.all matter is made up of
27.device made of two different conducting materials in a conducting solution
Down
1.the movement of electrons from one atom to another
2.a car battery cell is ____
3.tiny piece of semiconductor material containing mini components
4.unit of measure for voltage
7.number of parts to an atom
8.the opposition to the flow of electrons
11.electricity that can be seen
14.pathway through electrons travel or flow
15.the electric pressure that causes current to flow
16.negative charges of an atom
18.device that converts chemical energy into electrical energy
19.electronic component that allow electrons to flow in only one direction
21.center core of an atom
22.each level around the nucleus
26.unit of measure for resistance

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