Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω/4π. ω / π. ω/2π. ω. ω/4π. ω / π. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 100 nj. 40 nj. 60 nj. 20 nj. 100 nj. 40 nj. 60 nj. 20 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 3.75 N. 15 N. 7.5 N. 20 N. 3.75 N. 15 N. 7.5 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BI2L. BIL. zero. BL2I. BI2L. BIL. zero. BL2I. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μσ. ∈ is zero. ∈ is a scalar constant. ∈ = μ. ∈ = μσ. ∈ is zero. ∈ is a scalar constant. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
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