Physics, asked by hkratre, 1 month ago

establish the relation between height of T.V antenna and range transmission​

Answers

Answered by dinesh9824
0

Answer:

PQ=h

T

(heightofantenna)

PS=PT=d

From right angled ΔOTQ, we get

OQ

2

=OT

2

+QT

2

Here OQ=R+h

T

QT=PT=d

OT=R=Radiusofearth

(R+h

t

)

2

=R

2

+d

2

R

2

+h

t

2

+2Rh

T

=R

2

+d

2

d

2

=h

T

2

+2Rh

T

d

2

=2Rh

T

[1+

2R

h

T

]

2R

h

T

<<1

d

2

=2h

T

R

d=

2h

T

R

the maximum distance d

M

, between Transmitting & receiving antennas is given by

d=d

T

+d

R

d=

2Rh

T

+

2Rh

R

d

T

=horizon for transmitting antenna

d

R

=horizon for receiving antenna

h

T

=height of transmitter

h

R

=height ofreceiver

d=maximum distance of broadcast

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