Measurement and Instrumentation Most sensitive galvanometer is Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy. Both A and R are true and R is the correct explanation of A A is true but R is false Both A and R are true but R is NOT the correct explanation of A A is false bur R is true Both A and R are true and R is the correct explanation of A A is true but R is false Both A and R are true but R is NOT the correct explanation of A A is false bur R is true 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 1 4 2 5 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Current transformers Both current and potential transformers Power transformers Pottential transformers Current transformers Both current and potential transformers Power transformers Pottential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display Both AC and DC signals DC signals Time invariant signals AC signals Both AC and DC signals DC signals Time invariant signals AC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate none of these. error due to strong magnetic field. both A and B. error due to temperature true variations. none of these. error due to strong magnetic field. both A and B. error due to temperature true variations. ANSWER DOWNLOAD EXAMIANS APP