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 R2B / T. 2RBT. RBT. R2BT. R2B / T. 2RBT. RBT. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Wave frequency Distance of the point from the antenna Current of the antenna Antenna height Wave frequency Distance of the point from the antenna Current of the antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field magnetic flux lines are always closed. it is conservative. it is solenoidal. it has no sink or sources. magnetic flux lines are always closed. it is conservative. it is solenoidal. it has no sink or sources. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric field on a plane is decribed by . The field due to a dipole and a monopole. a monopole. a dipole. none of above. a dipole and a monopole. a monopole. a dipole. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 3000 to 30000 MHz 300 to 3000 kHz 3 to 30 kHz 30000 to 300000 MHz 3000 to 30000 MHz 300 to 3000 kHz 3 to 30 kHz 30000 to 300000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP