Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Square of the current Squareroot of the current Current Sine of the measurand Square of the current Squareroot of the current Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Frequency Force Charge Power Frequency Force Charge Power 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 1% 3% 4% 2% 1% 3% 4% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. In the middle Far right Far left None of the listed here In the middle Far right Far left None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter and one ammeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter One voltmeter and one ammeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter ANSWER DOWNLOAD EXAMIANS APP
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