E2634_2521_assignment-1_cse_1
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CHANDIGARH polytechnic college
Assignment no.1
Applied Physics 2 date of submission 19 January 2015
Q-1 What is electric charge? Is it a scalar or vector quantity? Name its SI units.
Q-2 What are positive and negative charges? What is the nature of charge on an electron in this convention?
Q-3 What do you mean by additive nature of electric charges?
Q-4 A uniformly charged conducting sphere of 2.4 meter diameter has a surface charge density 100µc/m2.Find the charge and flux linked with sphere?
Q-5 What do you mean by permittivity of a medium?
Q-6 Define electric field at a point. Is it a scalar or a vector quantity?
Q-7 Give the SI units and dimensions of electric field.
Q-8 Electric flux linked with a plane surface is maximum if the angle between the electric lines of force and area vector is
a) 0o b) 45o c) 90o d) 135o
Q-9 Why two electric lines of force never intersect each other?
Q-10 (a) Define electric flux. Give the SI units of electric flux?
(b) How is electric flux expressed in terms of surface integral of the electric field?
(c) Is electric flux a scalar or a vector?
(d) What is a Gaussian surface? Give its importance.
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