21. In a graded index fiber, the total reflected light takes a ___________.
22. The CMRR of a typical IC OPAMP is
23. In PMMC writing system, the magnitude of pen deflection is proportional to
S1: Current flowing through the coil
S2: Voltage in the coil
S1: Current flowing through the coil
S2: Voltage in the coil
24. The horizontal plates of a CRO are supplied with ___________ to observe the waveform of signal.
25. The outstanding characteristics of a D.C. amplifier is its
26. Capacitive transducers are normally employed for___________ measurements.
27. Self generating type transducers are ___________ transducers.
28. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ___________ transducer.
29. An ammeter should have ___________ resistance.
30. A voltmeter should have ___________ resistance.
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