Physics, 26.09.2019 18:00, mattmaddox86
If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magnetic strength?
a. replace the nail with a copper rod
b. wrap more coils of wire around the nail
c. use a longer nail
d. remove the plastic insulation from the wire coil
Answers: 2
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Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
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Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
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You can decrease the resistance of a length of wire by
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If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magn...
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