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Electromagnetic Theory Practice Test 57

# Magnetic Flux Density Quiz Questions and Answers PDF - 57

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## Magnetic Flux Density Quiz Questions : Test 57

MCQ 281: In Maxwell's equation, ∇·B=0; B is

A) electric flux density
B) magnetic flux density
C) magnetic field intensity
D) electric field intensity

MCQ 282: Photon energy is the energy carried by a single

A) photon
B) neutron
C) electron
D) holes

MCQ 283: The photon energy at 1 ?m wavelength, the wavelength of near infrared radiation, is approximately

A) 1.2398eV
B) 2.2398eV
C) 0.2398eV
D) 23.98eV

MCQ 284: Sum of the atomic number and the number of neutrons, gives the

A) mass number
B) electronic number
C) proton number
D) nucleus number

MCQ 285: Static permitivity '∊' is equals to

A) 1+Xe
B) Xe
C) (1+Xe)∊o
D) 1+Xeo

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