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  1. E

    help in science ! Identity which of the following would have the strongest...

    ...magnetic field.? - 1. identity which of the following would have the strongest magnetic field. Assume the current in each is the same. A. a straight wire. B. an electromagnet with 30 coils. C. a solenoid with 20 coils. D. a solenoid with 30 coils. - 2. Why a very strong magnet attracts...
  2. E

    A sealed 2500 cm3 flaski full to capacity 0.36g of a substance.?

    A sealed 2500 cm3 flaski full to capacity 0.36g of a substance. Guess if the substance is a gas, a liquid, or a solid.
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