Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. dimension LT-1. speed of light. none of these. both ‘a’ and ‘b’. dimension LT-1. speed of light. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. An ammeter. A potentiometer. A function generator. A frequency meter. An ammeter. A potentiometer. A function generator. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Energy meter. Wattmeters. Power factor meters. Instrument transformer. Energy meter. Wattmeters. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. absolute. recording. integrating. indicating. absolute. recording. integrating. indicating. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. 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 V. 1.5 V. 1.34 V. 1.7 V. 1 V. 1.5 V. 1.34 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
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