Electromagnetic Field Theory For DC voltage an inductor is virtually a short circuit. open circuit. depends on polarity. depends on magnitude of voltage. short circuit. open circuit. depends on polarity. depends on magnitude of voltage. 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? An emf is induced in split coil. Joule heating does not occur in each of the coils. An emf is induced in both coils. Equal joule heating occurs in both coils. An emf is induced in split coil. Joule heating does not occur in each of the coils. An emf is induced in both coils. Equal joule heating occurs in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Wave frequency Distance of the point from the antenna Current of the antenna Antenna height Wave frequency Distance of the point from the antenna Current of the antenna Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is 4.32. Infinity. Zero. 2.16. 4.32. Infinity. Zero. 2.16. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 5T. 2.5T. 0.5T. 10T. 5T. 2.5T. 0.5T. 10T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 2/3. – ½. 1/3. – 1/3. 2/3. – ½. 1/3. – 1/3. ANSWER DOWNLOAD EXAMIANS APP
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