Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 2 ux. 0. – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 1.4 V. 28.8 V. 14.40 V. 2.88 V. 1.4 V. 28.8 V. 14.40 V. 2.88 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 5.25m. 0.6m. 0.5m. 6.25m. 5.25m. 0.6m. 0.5m. 6.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of None of these rotor rotation. magnetic field. induced emf. None of these rotor rotation. magnetic field. induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is none of above. to pass high frequencies. to block low frequencies. to pass low frequencies. none of above. to pass high frequencies. to block low frequencies. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP