Electromagnetic Field Theory Which of the following represents ohms law I = GV V = RI All of these J = σE I = GV V = RI All of these J = σE ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is Unity None of these Zero Infinity Unity None of these Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 40π C. None of above. 5 C. 10 C. 40π C. None of above. 5 C. 10 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 ux N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? TV broadcast Radio astronomy All of these Point-to-point communication TV broadcast Radio astronomy All of these Point-to-point communication ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
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