Measurement and Instrumentation What is the expression for acceleration? Force x displacement Mass x velocity Mass x acceleration Change in velocity / time Force x displacement Mass x velocity Mass x acceleration Change in velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 ohms 100 ohms 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms 99.99 K ohms 100 K ohms 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 ± 2.5% ± 3.5% ± 1% ± 1.5% ± 2.5% ± 3.5% ± 1% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, m and s. kg, m and s. kg, cm and s. g, cm and s. g, m and s. kg, m and s. kg, cm and s. g, cm and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 100 V. 200 V. 50 V. 25 V. 100 V. 200 V. 50 V. 25 V. ANSWER DOWNLOAD EXAMIANS APP
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