Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is precision. sensitivity. accuracy. resolution. precision. sensitivity. accuracy. resolution. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1 ohm. 1000 ohm. 100 ohm. 10 ohm. 1 ohm. 1000 ohm. 100 ohm. 10 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by crossed coil mechanism. not provided at all. spring. weight attached to the moving coil. crossed coil mechanism. not provided at all. spring. weight attached to the moving coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Force x displacement Mass x acceleration Change in velocity / time Mass x velocity Force x displacement Mass x acceleration Change in velocity / time Mass x velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. 2 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP