Measurement and Instrumentation The difference between the measured value and the true value is called probable error relative error gross error absolute error probable error relative error gross error absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 100 ohm. 1 ohm. 10 ohm. 1000 ohm. 100 ohm. 1 ohm. 10 ohm. 1000 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 1.5% ±0.5% ±3.5% ± 3.0% ± 1.5% ±0.5% ±3.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 40 mA. 80 mA. 50 mA. 25 mA. 40 mA. 80 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Current through the coil Square of the current through the coil Sine of the measurand Squareroot of the measurand Current through the coil Square of the current through the coil Sine of the measurand Squareroot of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 3.53 V. 4.38 V. 5 V. 4.54 V. 3.53 V. 4.38 V. 5 V. 4.54 V. ANSWER DOWNLOAD EXAMIANS APP
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