Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Logarithmic scale Square-law scale Exponential scale Linear scale Logarithmic scale Square-law scale Exponential scale Linear scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance 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. Voltmeter having a resistance of 5 ΩK. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 100 K ohms 100 ohms 99.99 ohms 99.99 K ohms 100 K ohms 100 ohms 99.99 ohms 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 1.5 V. 1 V. 1.34 V. 1.7 V. 1.5 V. 1 V. 1.34 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.25 A. 0.70 A. 0.67 A. 0.50 A. 0.25 A. 0.70 A. 0.67 A. 0.50 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by the aluminium frame of the coil. the coil spring attached to the moving. damping vane in the airtight chamber. eddy current disk. the aluminium frame of the coil. the coil spring attached to the moving. damping vane in the airtight chamber. eddy current disk. ANSWER DOWNLOAD EXAMIANS APP
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