write true or false
__1. materials that conduct electricity are called conductors.
__2. Plastics and glasses are excellent electrical conductors and are used in electrical wirings.
__3. The charge of proton is e = 1.60 x 10-19 C.
__4. An electronic and proton repel each other.
__1. materials that conduct electricity are called conductors.
__2. Plastics and glasses are excellent electrical conductors and are used in electrical wirings.
__3. The charge of proton is e = 1.60 x 10-19 C.
__4. An electronic and proton repel each other.
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Answer:
1.true
2.true
3.false
4.false
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1-2.true
3-4.false
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