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dolphi86 [110]
3 years ago
8

If you were able to keep the electromagnet that you created in your laboratory activity, what would be two possible uses for the

electromagnet?
Physics
2 answers:
Anna [14]3 years ago
7 0
Picking up metals & making power
iris [78.8K]3 years ago
6 0

Answer:

Electric bells or buzzers

To separate iron and iron objects from a mixture

Explanation:

When a current is passed through current carrying coil with magnetic material at the center, magnetic field is produced. Thus, it acts as temporary magnet. It can be demagnetized by stopping the current. The strength of the magnetic field can be increased by increasing the number of loops and amount of current.

At home, the electromagnet can be used as a buzzer or electric bell. The electromagnet can be connected to a iron armature with a clapper. In the presence of magnetic field, the clapper strikes the bell as the iron armature is pulled towards the field.

The electromagnet can also be used to separate iron objects from a mixture, such as iron nails, clips, pins, needles etc.

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A child slides down a hill on a toboggan with acceleration of 1.8 m/s2. if she starts from rest, how far has she traveled in:
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A child slides down a hill on a toboggan with acceleration of 1.8 m/s2. if she starts from rest, how far has she traveled in: 2 seconds

Answer:

2.4 m

Explanation:

From the question above,

Applying equation of motion,

s = ut+at²/2....................... Equation 1

Where t = time, u = initial velocity, a = acceleration,  s = distance.

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Given: a = 1.8 m/s²,  t = 2 seconds, u = 0 m/s (from rest)

Substitute these value into equation 1

s = 0(2)+1.8(2²)/2

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