Measurement and Instrumentation A CRO can display DC signals AC signals Both AC and DC signals Time invariant signals DC signals AC signals Both AC and DC signals Time invariant signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1 and 2 are correct 1 and 3 are correct 2 and 3 are correct 1, 2 and 3 are correct 1 and 2 are correct 1 and 3 are correct 2 and 3 are correct 1, 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Vibration galvanometer Elastic galvanometer Spot ballastic galvanometer Duddle galvanometer Vibration galvanometer Elastic galvanometer Spot ballastic galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use Dynamometer wattmeter Sometimes induction and sometimes dynamometer wattmeter None of the listed here Induction wattmeter Dynamometer wattmeter Sometimes induction and sometimes dynamometer wattmeter None of the listed here Induction wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% less. 0.2% more. 0.4 more. 0.4% less. 0.2% less. 0.2% more. 0.4 more. 0.4% less. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 100 mA. 1mA. 0.5 mA. 10 mA. 100 mA. 1mA. 0.5 mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP