Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 2 V 0.5 V 1 V 1.5 V 2 V 0.5 V 1 V 1.5 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving- iron meter Digital Volt meter Moving-coil meter Potentiometer Moving- iron meter Digital Volt meter Moving-coil meter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 3.5% ± 1.5% ± 1% ± 2.5% ± 3.5% ± 1.5% ± 1% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A potentiometer. A frequency meter. An ammeter. A function generator. A potentiometer. A frequency meter. An ammeter. A function generator. ANSWER DOWNLOAD EXAMIANS APP