Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp dc. 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. 1 amp dc. 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. 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 ux N. 5 × 10-5 uy N. - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. 5 × 10-5 uy N. - 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watt/metre. Watts/metre2. Watt × metre2. Watt × metre. Watt/metre. Watts/metre2. Watt × metre2. Watt × metre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electric field. electrons. protons. neutrons. electric field. electrons. protons. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? Joule heating does not occur in each of the coils. An emf is induced in split coil. Equal joule heating occurs in both coils. An emf is induced in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. Equal joule heating occurs in both coils. An emf is induced in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 25 W. 15 W. 50 W. 20 W. 25 W. 15 W. 50 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP