Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Higher than No relation Equal to Less than Higher than No relation Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 360 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 72 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 1.4 V. 28.8 V. 14.40 V. 2.88 V. 1.4 V. 28.8 V. 14.40 V. 2.88 V. 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 R2B / T. RBT. R2BT. 2RBT. R2B / T. RBT. R2BT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to Decrease in the value of reactance An increase in the value of reactance No change in the reactance value No change in the impedance value Decrease in the value of reactance An increase in the value of reactance No change in the reactance value No change in the impedance value ANSWER DOWNLOAD EXAMIANS APP
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