Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An isolator None Phase shifter An attenuator An isolator None Phase shifter An attenuator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric flux. None of these Magnetic flux density. Electric intensity. Electric flux. None of these Magnetic flux density. Electric intensity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Radio astronomy All of these Point to point communication Tv broadcast Radio astronomy All of these Point to point communication Tv broadcast 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 14.40 V. 2.88 V. 28.8 V. 1.4 V. 14.40 V. 2.88 V. 28.8 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Reflection Transmission None of these Refraction Reflection Transmission None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Microwave frequency High frequency Medium frequency Low frequency Microwave frequency High frequency Medium frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP
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