Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 6. Q / 4π. Q / 6ε. 4πQ / 6ε. Q / 6. Q / 4π. Q / 6ε. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 37.5 V. 150 V. 50 V. 75 V. 37.5 V. 150 V. 50 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular waveguide is a Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Tube antenna to transmit and receive electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Tube antenna to transmit and receive electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave ANSWER DOWNLOAD EXAMIANS APP
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. 0.447. 0.577. 0.477. 0.01. 0.447. 0.577. 0.477. 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 An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 1.4 V. 28.8 V. 2.88 V. 14.40 V. 1.4 V. 28.8 V. 2.88 V. 14.40 V. ANSWER DOWNLOAD EXAMIANS APP
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