Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2.5 N. 5 N. 3.75 N. 2 N. 2.5 N. 5 N. 3.75 N. 2 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 1/3. 2/3. – ½. – 1/3. 1/3. 2/3. – ½. – 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of cross-sectional area of conductor. current flowing through the conductor. flux density. length of conductor. cross-sectional area of conductor. current flowing through the conductor. flux density. length of conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Semicircle Cardoid or Limacon Circle Elliptical Semicircle Cardoid or Limacon Circle Elliptical ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Actual power of the circuit is zero. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Actual power of the circuit is zero. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Depends on strength of current element. Zero. Unity. Infinity. Depends on strength of current element. Zero. Unity. ANSWER DOWNLOAD EXAMIANS APP
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