CBSE Class 12 Physics Set- II Solved Question Paper 2012

This CBSE Class XII Physics Set- II Solved Question Paper 2012 will help you to get the information about the questions and the latest pattern that how questions are being framed.
Find CBSE Board Exam 2012 Class XII Physics Set- II Solved Question Paper, given here

Updated: Sep 16, 2013 15:06 IST

CBSE Physics Set- II Solved Question Paper 2012, given here.

Q.1 When electrons drift in a metal from lower to higher potential, does it mean all the free electrons of the metal are moving in the same direction?

Ans.1 No. Their direction may change due to collision, although net drift will be in accordance with electric field.

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Q.2 The horizontal component of the earth’s magnetic field at a place is B and angle of dip is 60. What is the value of vertical component of earth’s magnetic field at equator?

Ans.2 We know at equator Angle of dip, I = 0 Therefore, Vertical component ZE = Bsin0 = 0 Q

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