Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 8.4 mm. 10 mm. 2.4 mm. 4 mm. 8.4 mm. 10 mm. 2.4 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0. Zero. 2.0. 0.5. 1.0. Zero. 2.0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Fleming Lenz Faraday Maxwell Fleming Lenz Faraday Maxwell ANSWER DOWNLOAD EXAMIANS APP
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/2π. ω / π. ω. ω/4π. ω/2π. ω / π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 450. 150. 600. 300. 450. 150. 600. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). ANSWER DOWNLOAD EXAMIANS APP