Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as None An isolator Phase shifter An attenuator None An isolator Phase shifter An attenuator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as magnetic flux. none of them. tubes of indication. lines of force. magnetic flux. none of them. tubes of indication. lines of force. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. both A and B. None of these dynamically induced emf. static induced emf. both A and B. None of these dynamically induced emf. 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 The value of current None of these The direction of the conductor The weight of the conductor The value of current None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. steady. pulsating. none of these. alternating. steady. pulsating. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. PR/d. ANSWER DOWNLOAD EXAMIANS APP
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