Antenna Bandwidth Online Exam Quiz

Antenna Bandwidth GK Quiz. Question and Answers related to Antenna Bandwidth. MCQ (Multiple Choice Questions with answers about Antenna Bandwidth

A linear antenna having length less than ?/8 is called as ___

Options

A : Short monopole

B : Short dipole

C : Half-wave dipole

D : Quarter-wave monopole

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Find the power radiated by an antenna whose radiation resistance is 100? and operating with 3A of current at 2GHz frequency?

Options

A : 900W

B : 1800W

C : 450W

D : 700W

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For lower Quality factor antennas, the bandwidth is very high.

Options

A : TRUE

B : FALSE

C : -

D : -

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Front-to-Back ratio is defined as ratio of power radiated in desired direction to the power radiated in back lobe.

Options

A : TRUE

B : FALSE

C : -

D : -

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High the Fractional Bandwidth ___ is the quality factor.

Options

A : low

B : high

C : constant

D : infinity

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In the impedance v/s frequency graph of antenna, the antenna impedance at frequencies less than resonant frequency is __

Options

A : inductive

B : capacitive

C : resistive

D : both inductive and capacitive

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Relation between beam solid angle ?, horizontal half-power beam width ?A, vertical half-power beam width ?E is __

Options

A : ???A.?E

B : ???A+?E

C : ???A/?E

D : ???A-?E

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Which of the following field varies inversely with r2?

Options

A : Far field

B : Near field

C : Radiation field

D : Electrostatic field

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