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Electromagnetic-theory Questions Set 93:

Quiz Mode

If FNBW (first null beam width) is 12°, then resolution is

12^o

6^o

3^o

1^o

Solution:

If FNBW (first null beam width) is 10°, then resolution is

10^o

5^o

15^o

none

Solution:

What is the overall efficiency of a lossless antenna with reflection coefficient 0.3?

0.3

0.91

none

Solution:

What is the overall efficiency of a lossless antenna with reflection coefficient 0.4?

0.4

0.6

0.8

0.84

Solution:

The radiation efficiency for antenna having radiation resistance 40Ω and loss resistance 0.85Ω is given by

0.0098

0.098

0.98

9.8

Solution:

Find the effective length of a receiving antenna with open circuit voltage 5V and incident electric field 200mV/m?

20m

25m

50m

Solution:

The radiation efficiency for antenna having radiation resistance 10Ω and loss resistance 0.85Ω is given by

9216

921.6

9.216

0.9216

Solution:

Find the effective length of a receiving antenna with open circuit voltage 4V and incident electric field 200mV/m?

2000m

200m

20m

Solution:

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

400Watts

200Watts

100Watts

50Watts

Solution:

Find the power radiated by an antenna whose radiation resistance is 100Ω and operating with 12A of current at 2GHz frequency?

14400Watts

144Watts

1200Watts

12Watts

Solution:

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Electromagnetic-theory Questions Set 93:

If FNBW (first null beam width) is 12°, then resolution is

Solution:

If FNBW (first null beam width) is 10°, then resolution is

Solution:

What is the overall efficiency of a lossless antenna with reflection coefficient 0.3?

Solution:

What is the overall efficiency of a lossless antenna with reflection coefficient 0.4?

Solution:

The radiation efficiency for antenna having radiation resistance 40Ω and loss resistance 0.85Ω is given by

Solution:

Find the effective length of a receiving antenna with open circuit voltage 5V and incident electric field 200mV/m?

Solution:

The radiation efficiency for antenna having radiation resistance 10Ω and loss resistance 0.85Ω is given by

Solution:

Find the effective length of a receiving antenna with open circuit voltage 4V and incident electric field 200mV/m?

Solution:

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

Solution:

Find the power radiated by an antenna whose radiation resistance is 100Ω and operating with 12A of current at 2GHz frequency?

Solution:

Related Question Sets:

Related Topics: