Measurement and Instrumentation Comparison methods are used because they are most simple. when a high accuracy of measurement is required. because they are expensive. because they take least time in measurement. because they are most simple. when a high accuracy of measurement is required. because they are expensive. because they take least time in measurement. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. higher response time. large time constant. All of these high inertia. higher response time. large time constant. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Very small High Infinity Medium Very small High Infinity Medium ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving-coil meter Moving- iron meter Digital Volt meter Potentiometer Moving-coil meter Moving- iron meter Digital Volt meter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 1.5µF 0.9µF 2.4µF 3.9µF 1.5µF 0.9µF 2.4µF 3.9µF ANSWER DOWNLOAD EXAMIANS APP