Draw a three phase star connected balanced load and show phase and line quantities on it
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voltmeter.(Physics)
3)Describe any five safety measures that should be taken while dealing with electric appliances connected in domestic electric circuit.(Physics)
4)With the help of ciliary muscles,the human eye can change its curvature and thus alter the focal length of its lens.State the changes that occur in the curvature and focal length of the eye lens while viewing (a)A distant object.(b)A nearby object.Explain why a normal eye is not able to see distinctly the object placed closer than 25cm,without putting any strain on the eye.(Physics)
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