Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Reflector coefficient. Attenuation constant. Constitutive parameters. Loss tangent. Reflector coefficient. Attenuation constant. Constitutive parameters. Loss tangent. 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. 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. Joule heating does not occur in each of the coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 24t. 4t3. 12t. 12t3. 24t. 4t3. 12t. 12t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by, V² / D V / D V × D V × D² V² / D V / D V × D V × D² ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The direction of the conductor The weight of the conductor None of these The value of current The direction of the conductor The weight of the conductor None of these The value of current 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 50 W. 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS