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 V. 1.34 V. 1.7 V. 1.5 V. 1 V. 1.34 V. 1.7 V. 1.5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. None of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Square wave Triangular wave Sine wave Rectangular wave Square wave Triangular wave Sine wave Rectangular wave ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Peak to peak value. rms value. Peak value. Average value. Peak to peak value. rms value. Peak value. Average value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% more. 0.4% less. 0.2% less. 0.4 more. 0.2% more. 0.4% less. 0.2% less. 0.4 more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 3% 2% 4% 1% 3% 2% 4% 1% ANSWER DOWNLOAD EXAMIANS APP
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