Elements of Communication System
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PHXII15:COMMUNICATION SYSTEMS

356719 The audio signal

1 Can be sent directly over the air for large distance
2 Cannot be sent directly over the air for large distance
3 Possesses very high frequency
4 Possesses very low velocity
PHXII15:COMMUNICATION SYSTEMS

356720 The attenuation in optical fibre is mainly due to

1 Absorption
2 Scattering
3 Neither absorption nor scattering
4 Both (1) and (2)
PHXII15:COMMUNICATION SYSTEMS

356721 A digital signal possesses

1 Continuously varying values
2 Only two discrete values
3 Only four discrete values
4 Constant values
PHXII15:COMMUNICATION SYSTEMS

356722 Device that converts one form of energy into another is called

1 Transmitter
2 Transducer
3 Receiver
4 Channel
PHXII15:COMMUNICATION SYSTEMS

356723 If μ1 and μ2 are the redfractive indices of the materials of core and cladding of an optical fibre, then the loss of light due to its leakage can be minimized by having

1 μ1<μ2
2 μ1>μ2
3 μ1=μ2
4 None of these
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PHXII15:COMMUNICATION SYSTEMS

356719 The audio signal

1 Can be sent directly over the air for large distance
2 Cannot be sent directly over the air for large distance
3 Possesses very high frequency
4 Possesses very low velocity
PHXII15:COMMUNICATION SYSTEMS

356720 The attenuation in optical fibre is mainly due to

1 Absorption
2 Scattering
3 Neither absorption nor scattering
4 Both (1) and (2)
PHXII15:COMMUNICATION SYSTEMS

356721 A digital signal possesses

1 Continuously varying values
2 Only two discrete values
3 Only four discrete values
4 Constant values
PHXII15:COMMUNICATION SYSTEMS

356722 Device that converts one form of energy into another is called

1 Transmitter
2 Transducer
3 Receiver
4 Channel
PHXII15:COMMUNICATION SYSTEMS

356723 If μ1 and μ2 are the redfractive indices of the materials of core and cladding of an optical fibre, then the loss of light due to its leakage can be minimized by having

1 μ1<μ2
2 μ1>μ2
3 μ1=μ2
4 None of these
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PHXII15:COMMUNICATION SYSTEMS

356719 The audio signal

1 Can be sent directly over the air for large distance
2 Cannot be sent directly over the air for large distance
3 Possesses very high frequency
4 Possesses very low velocity
PHXII15:COMMUNICATION SYSTEMS

356720 The attenuation in optical fibre is mainly due to

1 Absorption
2 Scattering
3 Neither absorption nor scattering
4 Both (1) and (2)
PHXII15:COMMUNICATION SYSTEMS

356721 A digital signal possesses

1 Continuously varying values
2 Only two discrete values
3 Only four discrete values
4 Constant values
PHXII15:COMMUNICATION SYSTEMS

356722 Device that converts one form of energy into another is called

1 Transmitter
2 Transducer
3 Receiver
4 Channel
PHXII15:COMMUNICATION SYSTEMS

356723 If μ1 and μ2 are the redfractive indices of the materials of core and cladding of an optical fibre, then the loss of light due to its leakage can be minimized by having

1 μ1<μ2
2 μ1>μ2
3 μ1=μ2
4 None of these
For More Updates join with Us
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PHXII15:COMMUNICATION SYSTEMS

356719 The audio signal

1 Can be sent directly over the air for large distance
2 Cannot be sent directly over the air for large distance
3 Possesses very high frequency
4 Possesses very low velocity
PHXII15:COMMUNICATION SYSTEMS

356720 The attenuation in optical fibre is mainly due to

1 Absorption
2 Scattering
3 Neither absorption nor scattering
4 Both (1) and (2)
PHXII15:COMMUNICATION SYSTEMS

356721 A digital signal possesses

1 Continuously varying values
2 Only two discrete values
3 Only four discrete values
4 Constant values
PHXII15:COMMUNICATION SYSTEMS

356722 Device that converts one form of energy into another is called

1 Transmitter
2 Transducer
3 Receiver
4 Channel
PHXII15:COMMUNICATION SYSTEMS

356723 If μ1 and μ2 are the redfractive indices of the materials of core and cladding of an optical fibre, then the loss of light due to its leakage can be minimized by having

1 μ1<μ2
2 μ1>μ2
3 μ1=μ2
4 None of these
NEET DIGITAL LIBRARY
PHXII15:COMMUNICATION SYSTEMS

356719 The audio signal

1 Can be sent directly over the air for large distance
2 Cannot be sent directly over the air for large distance
3 Possesses very high frequency
4 Possesses very low velocity
PHXII15:COMMUNICATION SYSTEMS

356720 The attenuation in optical fibre is mainly due to

1 Absorption
2 Scattering
3 Neither absorption nor scattering
4 Both (1) and (2)
PHXII15:COMMUNICATION SYSTEMS

356721 A digital signal possesses

1 Continuously varying values
2 Only two discrete values
3 Only four discrete values
4 Constant values
PHXII15:COMMUNICATION SYSTEMS

356722 Device that converts one form of energy into another is called

1 Transmitter
2 Transducer
3 Receiver
4 Channel
PHXII15:COMMUNICATION SYSTEMS

356723 If μ1 and μ2 are the redfractive indices of the materials of core and cladding of an optical fibre, then the loss of light due to its leakage can be minimized by having

1 μ1<μ2
2 μ1>μ2
3 μ1=μ2
4 None of these