Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is zero. infinite. finite. none of tha above. zero. infinite. finite. none of tha above. 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 pico - coulomb. milli - coulomb. micro - coulomb. coulomb. pico - coulomb. milli - coulomb. micro - coulomb. coulomb. 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. 450. 150. 600. 300. 450. 150. 600. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. Unity. Zero. Infinity. 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. 1800 V. 200 V. 900 V. 0 V. 1800 V. 200 V. 900 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. overload capacity. short time rating. cooling. rating. overload capacity. short time rating. cooling. ANSWER DOWNLOAD EXAMIANS APP
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