Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a thermocouple. generator. choke. transformer. thermocouple. generator. choke. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 2/3. – ½. 1/3. – 1/3. 2/3. – ½. 1/3. – 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 3.5 1.5 2.5 4.5 3.5 1.5 2.5 4.5 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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