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1. Indicate the charge carried by the following atomic particles: a. Proton: _?_ b. Neutron: _?_ c. Electron: _?_
2. An electric field travels away from a charge and toward a _?_ charge.
3. T or F? Like poles of a magnet attract each other, and unlike poles repel each other.
4. What is a magnetic domain?
5. An electric current can perform work as long as there is a battery to produce current, some device to operate, and everything is connected in a complete _?_. 6. What is the formula for Ohm's Law? What units are used to express current? What units are used to express potential difference?
Sagot :
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