Measurement and Instrumentation A 10MHz CRO has 10MHz vertical oscillator 10MHz horizontal oscillator 5MHz sweep 10MHz supply frequency 10MHz vertical oscillator 10MHz horizontal oscillator 5MHz sweep 10MHz supply frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 5 V. 0 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are gross error. systematic error. observational error. instrumental error. gross error. systematic error. observational error. instrumental error. 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 Standard ohm One international ohm One ohm according to SI units One ohm according to working standards Standard ohm One international ohm One ohm according to SI units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.84 0.73 1 0.65 0.84 0.73 1 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negative Positive Negligible None of the listed here Negative Positive Negligible None of the listed here ANSWER DOWNLOAD EXAMIANS APP