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Communication Systems - Engineering

Q1:

An earth mat for a communication tower consists of

A one or two radials extending from base of tower at a depth of about 5 cm below ground

B a large number of radials extending from base of tower at a depth of about 3 m

C a large number of radials extending from base of tower at a depth of about 30 cm

D none of the above

ANS:C - a large number of radials extending from base of tower at a depth of about 30 cm

The number of radials is large and depth is about 30 cm.