Electronics And Instrumentation - Study Mode
[#51] In a graded index fiber, the total reflected light takes a ___________.
Correct Answer
(B) Parabolic path
[#52] The CMRR of a typical IC OPAMP is
Correct Answer
(B) 80 dB
[#53] In PMMC writing system, the magnitude of pen deflection is proportional to S1: Current flowing through the coil S2: Voltage in the coil
Correct Answer
(A) S1 is true & S2 is false
[#54] The horizontal plates of a CRO are supplied with ___________ to observe the waveform of signal.
Correct Answer
(C) Sawtooth wave
[#55] The outstanding characteristics of a D.C. amplifier is its
Correct Answer
(A) Ability to amplify Dc and low frequency signals