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The four types of polarization are Electronic Polarization, Ionic Polarization, Space-charge polarization and ______
The transmission mode polarization vector and receiving mode polarization vector of antenna polarization are ___________
The following items consist of two statements, one labeled as “Assertion (A)” and the other labeled as the “Reason (R)”. You are to examine the two statements carefully and decide if the Assertion (A) and the Reason (R) are individually true and if so whether the reason is a correct explanation of the assertion. Select your answer to these items using the codes given below and mark your answer accordingly. Assertion (A): Polarization preserving fibers have a special core design that maintains the state of polarization. Reason (R): In polarization preserving fibers, there is a stress applying part, which creates slow and fast axes in the core.
The polarization of received antenna is not same as incident wave polarization is termed as ___
Polarization loss factor describes the amount of power loss due to polarization mismatch at the receiving antenna from incident wave.
What is the pitch angle of the helical antenna to become a loop antenna?
What is the pitch angle of the helical antenna to become a linear antenna?
The radiation pattern of the helical antenna is a combination of small dipole and loop antenna.
Kritika once standing near the main gate of her building which is of 11 stories found the angle of elevation to be 30° to the top of the cable antenna which is fixed on her terrace. She moved 50m in a straight line parallel to her feet towards the antenna and she found that angle of elevation changed to 45°. Find the height of the antenna from the ground?
A rectangular horn antenna has an aperture area of 3λ × 2λ. If the aperture efficiency of an antenna is 90%, then the directivity of the antenna is: