How+do+electric+switches+help+us+operate+electrical+appliances?+
Answers
Answered by
4
Answer:
by giving and cutting power supplies.
Explanation:
when we on switch its circuit became close
and when we off it it's circuit becames open
Answered by
2
Answer:
the pinhole camera is a simple application of the property of light or any movie along a straight line we can make a simple pinhole camera by taking a cylindrical or rectangular box
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