# Bsc Physics Part 2 Full Book Mcqs

d) Infinite

111: the value of ϵ the absolute permeability is …Pf/m

a) 8.854

b) 8.854*10-20

c) 8.854*10-23

d) 8.854*10-9

112: Lorentz force equation comprise…….and …..forces

a) electric, magnetic

b) mechanical, chemical

c) both a & b

d) none of these

113: Laplace’s equation has

a) two solutions

b) infinite solutions

c) no solution

d) only one solution

114: Flux per unit volume is called

a) curt

b) gradient

c) divergence

d) none of these

115: Coulomb’s law gives

a) force between two charges

b) energy between two charges

c) both

d) none of these

116: charge distribution symmetry can be 0

a) spherical type

b) cylindrical type

c) planar type

d) all of these

117: Force, electric field intensity are the examples of

a) scalar quantity

b) vector quantity

c) both

d) none of these

118: Electric Charge, Electric Potential, Energy, Temperature etc. are examples of

a) scalar quantity

b) vector quantity

c) both

d) none of these

119: ф E. dt is same as

a) ∇ × E = 0

b) ∇ . E = 0

c) V × D = 0

d) V. D = 0

120: Poisson’s equation is given as

a) E = -∇2V

b) ∇2V = ρuv

c) ∇2V = 0

d) All

121:6 magnetic flux density is analogous to

a) Magnetic induction

b) Electric field strength

c) Both a & b

d) Electric flux density

122: total flux passing through a closed surface held in a magnetic field

a) Infinity

b) Zero

c) Unity

d) None of these

123: magnetic vector potential for volume current is expressed as

a) B = ∇ ×A

b) A = ∇ ×D

c) B = ∇ . A

d) A = ∇ . B

124: ….. can be obtained from vector magnetic potential

a) Magnetic field intensity

b) Magnetic flux density

c) Both a & b

d) None of these

125: magnitude of dipole moment is given as

a) qd

b) q/d

c) d/q

d) none of these

126: charge distribution symmetry can be of

a) spherical type

b) cylindrical type

c) planar type

d) all of these

127: curl of electro static field is

a) infinity

b) 1

c) 0

d) None of these

128: as per stock’s theorem , H the magnetic field intensity is

a) ∞

b) 1

c) 0

d) None of these

129: the Biot_savart’s law is a general modification of

a) Kirchhoff’s law

b) Lenz’s law

c) Ampere’s law

d) Faraday’s law

130: according to Ampere’s law

a) Total electric flux is equal to electric charge

b) Total magnetic flux is equal to electric charge

c) Total magnetic flux is equal to current passing

d) None of these