Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 20 amp dc. 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 20 amp dc. 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Loss coefficient None of these Front to back ratio Transmission efficiency Loss coefficient None of these Front to back ratio Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. overload capacity. cooling. short time rating. rating. overload capacity. cooling. short time rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is 0 C/m3. - 4 C/m3. - 8 C/m3. - 2 C/m3. 0 C/m3. - 4 C/m3. - 8 C/m3. - 2 C/m3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 72 πuz v/m. – 18 πuz v/m. – 360 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. – 360 πuz v/m. – 10 uz v/m. ANSWER DOWNLOAD EXAMIANS APP