Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 32 A / s. 64 A / s. 4 A / s. 16 A / s. 32 A / s. 64 A / s. 4 A / s. 16 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the phase velocity. normal velocity. velocity of propagation. group velocity. phase velocity. normal velocity. velocity of propagation. group velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.62 V. 1.26 V. 1.31 V. 2.52 V. 2.62 V. 1.26 V. 1.31 V. 2.52 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. the number of their turns. permeability of core. all of above. cross sectional area of their common core. the number of their turns. permeability of core. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 2/3. 1/3. – ½. – 1/3. 2/3. 1/3. – ½. – 1/3. ANSWER DOWNLOAD EXAMIANS APP
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