Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is none of above. increasing towards centre. decreasing towards centre. zero. none of above. increasing towards centre. decreasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as None of these Loss coefficient Front to back ratio Transmission efficiency None of these Loss coefficient Front to back ratio Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 150. 250. 225. 145. 150. 250. 225. 145. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to 2RBT. R2BT. RBT. R2B / T. 2RBT. R2BT. RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Electric fields. Commutator. Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Log-periodic Folded dipole Conical horn Square loop Log-periodic Folded dipole Conical horn Square loop ANSWER DOWNLOAD EXAMIANS APP