A signal of 0.1 kWis transmitted in a cable. The attenuation of cable is –5 dB per and cable length is 20 km. thepower received at receiver is 
. The value of is ____ [Gain in dB 
]
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8 JEE Main 2021
Power of signal transmitted 
Rate of attenuation 
Total length of path 
Total loss suffered 
dB
Gain in dB 
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