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in Communication Systems by (48.1k points)
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For a radio signal to travel 150 km from the transmitter to a receiving antenna, it takes 

(a) 5 x 10-4 second 

(b) 4.5 x 10-3 second 

(c) 5 x 10-8 second 

(d) 4.5 x 10-6 second

1 Answer

+1 vote
by (48.5k points)
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Best answer

(a) 5 x 10-4 second

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