Electromagnetic Field Theory The frequency range for satellite communication is 3 to 30 kHz 3000 to 30000 MHz 300 to 3000 kHz 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz 300 to 3000 kHz 30000 to 300000 MHz 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 RBT. R2B / T. R2BT. 2RBT. RBT. R2B / T. R2BT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 3. 8. 2. 4. 3. 8. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Low frequency Medium frequency Microwave frequency High frequency Low frequency Medium frequency Microwave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. Bil cosθ. zero. BIL. Bil sinθ. Bil cosθ. zero. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 300. 600. 150. 450. 300. 600. 150. 450. ANSWER DOWNLOAD EXAMIANS APP