Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Microwave Communication
If antenna diameter is increased four times, the maximum range is increased by a factor of
2
2
4
0.2
Correct Answer:
4
Explanation:
Range of radar is proportional to antenna diameter.
← Previous Question
Next Question→
More Questions from
Microwave Communication
Assertion (A): In the interaction region of magnetron an electron is subjected to three forces: force due to electric field, force due to magnetic field and centrifugal force. Reason (R): The mechanism of generation of microwaves, in a magnetron, involves interaction of electromagnetic fields with electrons moving in static electric and magnetic fields oriented at right angles to each other.
If VSWR is infinite, the transmission line is terminated in
Impedance inversion may be obtained with
In a circular waveguide TE21 mode has lowest cutoff frequency
Assertion (A): For high frequency lines inductive reactance is very high as compared to ac resistance. Reason (R): Due to skin effect ac resistance of line is higher than dc resistance.
For matching over a range of frequencies in a transmission line it is best to use
Read the following statements about TWT It uses thermionic emission. It uses an attenuater. It is inherently a resonant device. It has broad bandwidth. Which of the above are correct?
Assertion (A): Gunn diode is a transferred electron device. Reason (R): A Gunn oscillator uses the phenomenon of transferred electron effect.
A reflex klystron oscillator is a
In the given figure shows the equivalent circuit of a magic tee. If all ports are matched
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments