# Isotropic Radiation MCQ Questions And Answers - Antenna Theory

Isotropic Radiation MCQs : This section focuses on the "Isotropic Radiation" in Antenna Theory. These Multiple Choice Questions (MCQs) should be practiced to improve the Antenna Theory skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

_____________ is the radiation from a point source, radiating uniformly in all directions, with same intensity regardless of the direction of measurement.

A. Beam & Polarization
C. Beam Width
D. Reciprocity

Question 2

The isotropic radiation is nothing but Omni-directional radiation

A. Yes
B. No
C. Can be yes or no
D. Can not say

Question 3

The isotropic radiator has unity gain, which means having a gain factor of ________ in all directions.

A. 0
B. -1
C. 1
D. infinite

Question 4

The amount of power that an isotropical antenna radiates to produce the peak power density observed in the direction of maximum antenna gain, is called as?

A. ERP
B. EAP
C. ERTY
D. EIRP

Question 5

EIRP(dBW)−2.15dBi equal to?

A. EQP
B. ERP
C. TYU
D. PCE

Question 6

The point source is an example of isotropic radiator.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 7

An ideal source in which the power is radiated equally in all directions is called as ________ radiator.

A. Omni-directional
B. Directional
C. Transducer
D. Isotropic

Question 8

For an isotropic source, Radiation intensity will be _____ on θ.

A. Dependent
B. Independent
C. Both A and B
D. None of the above

Question 9

The unit of beam area is ?

A. ampere
B. volt
C. watts
D. ohm