Measurement and Instrumentation A 10MHz CRO has 5MHz sweep 10MHz supply frequency 10MHz horizontal oscillator 10MHz vertical oscillator 5MHz sweep 10MHz supply frequency 10MHz horizontal oscillator 10MHz vertical oscillator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Dynamic errors are caused by instrument not responding fast observational error environmental error human error instrument not responding fast observational error environmental error human error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. V1 = 250V and V2 = 250V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. V1 = 250V and V2 = 250V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 2% 4% 3% 5% 2% 4% 3% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. high sensitivity. minimum effect on the current in the circuit. high precision. high accuracy. high sensitivity. minimum effect on the current in the circuit. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Current transformers All of the listed here Shunt Potential transformers Current transformers All of the listed here Shunt Potential transformers ANSWER DOWNLOAD EXAMIANS APP
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