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AP and TS EAMCET Engineering Model Paper 15
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© examsnet.com
Question : 120
Total: 160
A transmitting antenna is at a height of 20m and receving antenna is at a height of 80m. The maximum distance between them for satisfactory communication is
16 km
32 km
48 km
96 km
Validate
Solution:
D
=
D
t
+
D
r
=
√
2
Rh
t
+
√
2
Rh
r
=
√
2
×
6400
×
20
1000
+
√
2
×
6400
×
80
1000
=
(
2
×
8
)
+
(
8
×
4
)
=
48
Km
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