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If positron is present in the nucleus of every substance, everything should have had a positive charge. Why is it not so? ...
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A circle along with one of its diameter AB are given.There lies a point P in the plane.Construct the perpendicular to AB through P using only a ruler.(A ruler can only connect 2 points). ...
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ampere=charge/time A=q/t so why do we call it a fundamental unit? charge should have been the fundamental unit like time. ...
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in an election contested by two candidates 5% of the voters did not cast their votes. the successful candidate won by 5100votes securing 48 4/7 % of the total votes. how many voters were there? how many votes were cast for ea ...
