M

Mr. Dubey • 52.30K Points
Coach 

Q. A                      is a device that converts a guided electromagnetic wave on a transmission line into a plane wave propagating in free space.

(A) transmitting antenna
(B) receiving antenna
(C) radar
(D) mixer
Correct : Option (A)

Explanation: 
 a transmitting antenna is a device that converts a guided electromagnetic wave on a transmission line into a plane wave propagating in free space. it appears as an electrical circuit on one side, provides an interface with a propagating plane wave.

Share

Discusssion

Login to discuss.

Loading Comments....

Related MCQs

Q. Link budget consists of calculation of

Q. ...........is preferred for synthetic fibre mails

Q. For which of the following applications motor has to start with high acceleration?

Q. A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will

Q. Wound rotor and squirrel-cage motors with high slip which develop maximum torque at stand still are used for

Q. An essential requirement for the BARITT diode is that the intermediate drift region be completely filled to cause the punch through to occur.

Q. Rotor resistance speed control is used in

Q. In a closed loop for which the output is the speed of the motor, the output rate control can be used to:

Q. Which of the following motor is preferred for blowers ?

Q. What is the relationship between torque and speed in constant type loads?