Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 1.2% 10.2% 5.2% 25.2% 1.2% 10.2% 5.2% 25.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is small. ideally zero. very high. high. small. ideally zero. very high. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Non conducting and magnetic material None of the listed here Conducting and magnetic material Conducting and non magnetic material Non conducting and magnetic material None of the listed here Conducting and magnetic material Conducting and non magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 2 and 3 represent greater precision than 1. 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 2 and 3 represent greater precision than 1. 1 represents greater precision than 2 and 3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the speed of light. none of these. dimension LT-1. both ‘a’ and ‘b’. speed of light. none of these. dimension LT-1. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Secondary instrument Recording instrument Integrating instrument Absolute instrument Secondary instrument Recording instrument Integrating instrument Absolute instrument ANSWER DOWNLOAD EXAMIANS APP
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