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. R2BT. RBT. 2RBT. R2B / T. R2BT. RBT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as coulomb. milli - coulomb. pico - coulomb. micro - coulomb. coulomb. milli - coulomb. pico - coulomb. micro - coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The drawback of Daltons atomic structure is that, it says most of the volume of an atom is empty space. the atoms can neither be created nor be destroyed. unique nature of atom. none of these. most of the volume of an atom is empty space. the atoms can neither be created nor be destroyed. unique nature of atom. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on peltier effect. electrostatic effect. magnetic effect. heating effect of current. peltier effect. electrostatic effect. magnetic effect. heating effect of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to none of them. voltage across the inductor. magnetic field. both (A) and (B). none of them. voltage across the inductor. magnetic field. both (A) and (B). 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
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