Measurement and Instrumentation The form factor in AC is the ratio of Rms value to peak value Rms value to average value Peak value to rms value Peak value to average value Rms value to peak value Rms value to average value Peak value to rms value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 5% 1% 2% 3.33% 5% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. A frequency meter. An ammeter. A potentiometer. A function generator. A frequency meter. An ammeter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1.7 V. 1 V. 1.5 V. 1.34 V. 1.7 V. 1 V. 1.5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Measuring a current Comparing two currents Measuring a voltage Comparing two voltages Measuring a current Comparing two currents Measuring a voltage ANSWER DOWNLOAD EXAMIANS APP
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