Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to ρv/3 C/m2. aρv/4 C/m2. aρv/3 C/m2. aρv C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv/3 C/m2. aρv C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Electron density of the ionospheric layer Height of ionospheric layer Received frequency by receiver 11 year sun spot cycle Electron density of the ionospheric layer Height of ionospheric layer Received frequency by receiver 11 year sun spot cycle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp 1 Hz. 1 amp 100 Hz. 20 amp dc. 1 amp dc. 1 amp 1 Hz. 1 amp 100 Hz. 20 amp dc. 1 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its short time rating. cooling. overload capacity. rating. short time rating. cooling. overload capacity. rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Scalar Vector None of these Unit vector Scalar Vector None of these Unit vector ANSWER DOWNLOAD EXAMIANS APP
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