Measurement and Instrumentation An analog ammeter is a controlling instrument. an indicating instrument. an absolute instrument. a recording instrument. a controlling instrument. an indicating instrument. an absolute instrument. a recording instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 300∠90° ohm. 150∠30° ohm. 600∠-150° ohm. 400∠-90° ohm. 300∠90° ohm. 150∠30° ohm. 600∠-150° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 0 V. 2 V. (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have higher response time. high inertia. All of these large time constant. higher response time. high inertia. All of these large time constant. ANSWER DOWNLOAD EXAMIANS APP
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 The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 2.8% ± 6% ± 4% ± 3% ± 2.8% ± 6% ± 4% ± 3% ANSWER DOWNLOAD EXAMIANS APP