Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a thermocouple. generator. choke. transformer. thermocouple. generator. choke. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Semicircle Cardoid or Limacon Elliptical Circle Semicircle Cardoid or Limacon Elliptical Circle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Curl curl A. Grad div A. Div grad V. Div curl A. Curl curl A. Grad div A. Div grad V. Div curl A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – uy. 0. 2 ux. – 2 ux. – uy. 0. 2 ux. – 2 ux. 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 Zero. 4.32. 2.16. Infinity. Zero. 4.32. 2.16. Infinity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 764 N. 76.4 N. 76400 N. 7640 N. 764 N. 76.4 N. 76400 N. 7640 N. ANSWER DOWNLOAD EXAMIANS APP