Measurement and Instrumentation A 10MHz CRO has 10MHz horizontal oscillator 10MHz vertical oscillator 10MHz supply frequency 5MHz sweep 10MHz horizontal oscillator 10MHz vertical oscillator 10MHz supply frequency 5MHz sweep ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for High voltage measurements Low voltage measurements Low current measurements High current measurements High voltage measurements Low voltage measurements Low current measurements High current measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Comparing two currents Measuring a voltage Measuring a current Comparing two voltages Comparing two currents Measuring a voltage Measuring a current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One ohm according to working standards One ohm according to SI units One international ohm Standard ohm One ohm according to working standards One ohm according to SI units One international ohm Standard ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Rms value Mean value Full-scale value Measured value Rms value Mean value Full-scale value Measured value ANSWER DOWNLOAD EXAMIANS APP
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