Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 10 µF. 11 µF. 0.1 µF. 0.09 µF. 10 µF. 11 µF. 0.1 µF. 0.09 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Current Squareroot of the current Square of the current Sine of the measurand Current Squareroot of the current Square of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can be balanced. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ±5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ±5) A (400 ± 1) A (400 ± 3) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for AC only DC only Any of the listed here Both DC and AC AC only DC only Any of the listed here Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
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