Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? If the curl of E is identically zero. The potential difference between two points is zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. The potential difference between two points is zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by Zero. ab Bo cosω t. abω Bo sinω t. Bo ω sinω t. Zero. ab Bo cosω t. abω Bo sinω t. Bo ω sinω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 100 μ v/m. None of above. - 100 μ v/m. 0. 100 μ v/m. None of above. - 100 μ v/m. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 48 mH. 3 mH. 24 mH. 12 mH. 48 mH. 3 mH. 24 mH. 12 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric intensity. Magnetic flux density. Electric flux. None of these Electric intensity. Magnetic flux density. Electric flux. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. 0. 0.335 C. None of above. 0.335/sinθ c. 0. 0.335 C. None of above. ANSWER DOWNLOAD EXAMIANS APP
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