Electric field = potential difference
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distance between plates
Distance between plates = 45
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500
= 0.09 meters.
Electromagnets can be turned off, this makes it easier to release things from the magnetic field.
Hope this helps :)
The wrong type of lens-Microscope, concave
Explanation:
A microscope Basically uses t<u>wo convex lenses to magnify an object, or specimen.</u>
There are 2 lenses in a microscope
- <u>Object Lens:</u>The lens that is closer to the object
- <u>Eyepiece:</u>The lens that is closer to the eye
Both the object lens and the eyepiece, is a convex lens.
Answer:
Only circuit A will contain to lit bulbs
