Decrease in strength of signal is known as
A) tuning
B) modulation
C) attenuation
D) amplification
Correct Answer:
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Q10: According to Newton's 2nd law the object's
Q11: A stone whirling in a horizontal circle
Q12: Centripetal force is directed towards the
A)tangent to
Q13: Velocity required by an object to orbit
Q14: As compared to sound waves the frequency
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Q18: Energy is lost in wires due to
A)heating
B)resistance
C)conduction
D)both
Q19: Voltage signal generated by a microphone is
A)digital
Q20: Phenomena in which signal transmitted in one
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