Jaypee Institute of Information Technology (JIIT) 2008 B.E Test 1 : Physics 2 - Question Paper

JAYPEE UNIVERSITY OF INFORMATION TECHNOLOGY WAKANGHAAT, SOLAN-173215 TEST-I, FEB 2008 2^>f) SEMESTER (ECE, CSE & IT)

COURSE CODE: 07B21PH102    MAX. TIME: I HOUR

COURSE NAME: PHYSICS II    MAX. MARKS: 20

COURSE CREDITS: 4

RRt REFERENCE ONIT

Q. 1 Test the divergence theorem for the function

v - (xy) x + (2yz) y + (3zx) z and the cube at origin with sides of length 2.    (5)

Q.2 Determine the E field both inside and outside a spherical cloud of electrons with a uniform volume charge density p = -/?₀ (where p₀ is a +ve quantity) for 0 Rsb and p = 0 for R > b by solving Poissons and Laplace's equations for V.    (5)

Q.3 What is the physical significance of displacement current density? Derive Maxwells fourth equation in integral form.    (3)

Q.4 Prove that electromagnetic waves are transverse in nature. Derive the expression for energy flow due to a plane electromagnetic wave in free space.    (4)

Q.5 Write short notes on

a)    Intrinsic impedance

b)    Uniqueness theorem

c)    Gradient    (3)

Attachment: jaypee-institute-of-information-technology--jiit--2008-b-e-21201-1.jpg

Earning:   Approval pending.