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? 100 ohms 99.99 ohms 99.99 K ohms 100 K ohms 100 ohms 99.99 ohms 99.99 K ohms 100 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.67 A. 0.50 A. 0.25 A. 0.70 A. 0.67 A. 0.50 A. 0.25 A. 0.70 A. 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, 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. 1, 2 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. 1, 2 and 3 represent same precision. 1 represents greater precision than 2 and 3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms None of the listed here The bridge can be balanced if the resistance have some specific values The bridge can always be balanced The bridge cannot be balanced None of the listed here The bridge can be balanced if the resistance have some specific values The bridge can always be balanced The bridge cannot be balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only Any of the listed here AC only Both DC and AC DC only Any of the listed here AC only Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Linear Non-linear None of the listed here Either linear or non linear Linear Non-linear None of the listed here Either linear or non linear ANSWER DOWNLOAD EXAMIANS APP
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