A group of students has been testing electromagnets in the lab. They made an electromagnet by
wrapping copper wire around a nail. For one set of tests, they wrapped the wire around the nail 25 times.
For the second set of tests, they wrapped the wire around the nail 50 times. They also have 4 different
batteries: 1.5 V, 3.0 V, 4.5 V, 6.0 V, 7.5 V, 9.0 V, 10.5 V, and 12.0 V. They use their electromagnets to
see how many paper clips each can pick up.
1. Identify the independent variable:
2. Identify the dependent variable:
3. On which axis will the independent variable be plotted? ) x or y
Answers: 3
Chemistry, 21.06.2019 22:30
Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l
Answers: 2
Chemistry, 22.06.2019 21:30
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
Answers: 2
Chemistry, 23.06.2019 00:00
If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.
Answers: 1
A group of students has been testing electromagnets in the lab. They made an electromagnet by
wrapp...
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