Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric fields. Electric current. Commutator. Copper conductors. Electric fields. Electric current. Commutator. Copper conductors. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 3000 to 30000 MHz 30000 to 300000 MHz 300 to 3000 kHz 3 to 30 kHz 3000 to 30000 MHz 30000 to 300000 MHz 300 to 3000 kHz 3 to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. None of above. 0.335 C. 0. 0.335/sinθ c. None of above. 0.335 C. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 0 V. 200 V. 900 V. 1800 V. 0 V. 200 V. 900 V. 1800 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is Unity None of these Zero Infinity Unity None of these Zero Infinity ANSWER DOWNLOAD EXAMIANS APP