Elements of Electrical Measurements |
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Page 16
... ratio is equal to A. ( Obviously , if k = n , the error in the ratio is zero . ) What does the accuracy limit ap- proach as the ratio k / n becomes very small ? 10 THE CATHODE - RAY OSCILLOSCOPE 2.1 Introduction The cathode 16 BASIC ...
... ratio is equal to A. ( Obviously , if k = n , the error in the ratio is zero . ) What does the accuracy limit ap- proach as the ratio k / n becomes very small ? 10 THE CATHODE - RAY OSCILLOSCOPE 2.1 Introduction The cathode 16 BASIC ...
Page 69
... ratio of rms to half - rectified average equal to 2.22 , but the number of wave forms for which this ratio is not equal to 2.22 is much larger . ) See Problem 3 . We can double the sensitivity of our new instrument by using two diodes ...
... ratio of rms to half - rectified average equal to 2.22 , but the number of wave forms for which this ratio is not equal to 2.22 is much larger . ) See Problem 3 . We can double the sensitivity of our new instrument by using two diodes ...
Page 147
... ratio of the output from the quiescent component to its input . This ratio must be correct regardless of what other components are con- nected to the output of the components ; if this independence from the effect of " loading " on the ...
... ratio of the output from the quiescent component to its input . This ratio must be correct regardless of what other components are con- nected to the output of the components ; if this independence from the effect of " loading " on the ...
Common terms and phrases
accuracy ammeter amplifier analog computer angle applied arms assume average balance basic block diagram bridge calibration called capacitor cell chapter circuit coil combination compared comparison complex components condition connected consider constant control system damping desired detector determine device differential direction electrical equal equation equivalent error example exist factor field figure frequency full-scale function galvanometer given impedance increase indicating input instrument internal known larger limit load magnetic magnitude means measure method motor moving necessary obtain ohmmeter ohms output particular peak PMMC portion position possible problem R₁ range ratio reading rectifier resistance resistor response result roots scale sensitivity Show shown in Fig signal simple solution standard term terminals tion torque transfer function unit unknown usually variable vary voltage voltmeter volts wattmeter wave yields zero