Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 mH. 32 mH. 3.2 H. 3.2 µH. 3.2 mH. 32 mH. 3.2 H. 3.2 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 4. 2. 0.5. 1. 4. 2. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its cooling. rating. overload capacity. short time rating. cooling. rating. overload capacity. short time rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator An isolator None Phase shifter An attenuator An isolator None Phase shifter 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. None of above. 0.335 C. 0.335/sinθ c. 0. None of above. 0.335 C. 0.335/sinθ c. ANSWER DOWNLOAD EXAMIANS APP
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