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ChemistryChemistry
26 September, 21:50

Look at the data table and graph for the 25-coil electromagnet. With the 1.5 V battery, the

electromagnet picked up an average of 6 paper clips, and with the 6.0 V battery, it picked up

an average of 23 paper clips.

a. About how many times stronger than the 1.5 V battery is the 6.0 V battery?

b. What is the approximate ratio of the number of paper clips picked up using the 6.0 V

battery to the number picked up using the 1.5 V battery?

c. Is this a direct relationship or an indirect relationship?

25-turn Electromagnet

Battery Voltage Number of Paper Clips Picked Up

First Try Second Try Average

1.5 V 5 7 6

3.0 V 12 12 12

4.5 V 14 17 15.5

6.0 V 20 26 23

+4
Answers (1)
  1. 27 September, 01:07
    0
    Answer a:

    A 1.5 V battery, the electromagnet picked up an average of 6 paper clips, while with the 6.0 V battery, an average of 23 paper clips were picked up. Battery of 6.0V is 6.0/1.5 = 4 times stronger than battery of 1.5 V

    Answer b:

    Ratio of the number of paper clips picked up using the 6.0 V battery to the number picked up using the 1.5 V battery is = 23/6 = 3.8 ≈ 4.

    Answer c:

    As the voltage power increase, more paper clips were picked up by electromagnet. This indicated that there is a direct relationship. Mathematically it can be expressed as:

    Voltage Power α Number of paper clips that were picked up
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Home » Chemistry » Look at the data table and graph for the 25-coil electromagnet. With the 1.5 V battery, the electromagnet picked up an average of 6 paper clips, and with the 6.0 V battery, it picked up an average of 23 paper clips. a.
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