Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 1.5 V 1 V 0.5 V 2 V 1.5 V 1 V 0.5 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.2% 0.5% 1.5% 1% 1.2% 0.5% 1.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 3) A (400 ± 1) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 3) A 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% less. 0.4 more. 0.2% more. 0.4% less. 0.2% less. 0.4 more. 0.2% more. 0.4% less. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Hot wire type Moving coil type Induction type Moving iron type Hot wire type Moving coil type Induction type Moving iron type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for None of the listed here DC only Both DC& AC AC only None of the listed here DC only Both DC& AC AC only ANSWER DOWNLOAD EXAMIANS APP
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