Measurement and Instrumentation Instrument transformers are Pottential transformers Current transformers Power transformers Both current and potential transformers Pottential transformers Current transformers Power transformers Both current and potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 5 2 4 1 5 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a higher accuracy. a faster response. All of these a lower sensitivity. a higher accuracy. a faster response. All of these a lower sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. AC volatge. both AC and DC voltage. DC current. DC voltage. AC volatge. both AC and DC voltage. DC current. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 2.4µF 0.9µF 3.9µF 1.5µF 2.4µF 0.9µF 3.9µF 1.5µF ANSWER DOWNLOAD EXAMIANS APP