1.

Define electric flux. Write its SI units. A spherical rubber ballon carries a charge that is uniformly distrubuted over its surface. As the balloon is blown up and increases its size, how does the total electric flux coming out of the surface change? Give reason.

Answer»

Solution :For electric flux and its SI unit , SEE Point Numbers 42-44 under the HEADING "Chapter At A Glance" Even on blowing up of the balloon total electric flux coming out of its surface remains uncharged.
Total flux ` phi_in =(1)/(in_0) (Q) ` , where Q = charge ENCLOSED WITHIN the closed surface. As charge enclosed
remain uncharged, hence electric flux remians uncharged.


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