Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another None of these Vector Scalar Unit vector None of these Vector Scalar Unit vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Copper conductors. Electric fields. Commutator. Electric current. Copper conductors. Electric fields. Commutator. Electric current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Depends on strength of current element. Infinity. Unity. Zero. Depends on strength of current element. Infinity. Unity. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Null vector. Zero. E. | E |. Null vector. Zero. E. | E |. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. Equal to volume change density. Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. Equal to volume change density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Zero. Due to transformer only. Due to both rotating and transformer action. Due to rotating only. Zero. Due to transformer only. Due to both rotating and transformer action. Due to rotating only. ANSWER DOWNLOAD EXAMIANS APP
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