Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.01. 0.477. 0.577. 0.447. 0.01. 0.477. 0.577. 0.447. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b/4 a = 3b a = 2b a = b a = b/4 a = 3b a = 2b a = b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Electron density of the ionospheric layer Height of ionospheric layer Received frequency by receiver 11 year sun spot cycle Electron density of the ionospheric layer Height of ionospheric layer Received frequency by receiver 11 year sun spot cycle 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 Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency 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 pulsating. alternating. steady. none of these. pulsating. alternating. steady. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of magnetic field. direction of electric field. direction of current. direction of emf. direction of magnetic field. direction of electric field. direction of current. direction of emf. ANSWER DOWNLOAD EXAMIANS APP