Measurement and Instrumentation A dynamometer wattmeter can be used for AC only Any of the listed here Both DC and AC DC only AC only Any of the listed here Both DC and AC DC only 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. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 2 Ohms 1 Ohm 1/49.99 ohms 49.99 Ohms 2 Ohms 1 Ohm 1/49.99 ohms 49.99 Ohms 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 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is small. very high. high. ideally zero. small. very high. high. ideally zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3750 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 85.4o. 4.6o. 175.4o. 94.6o. 85.4o. 4.6o. 175.4o. 94.6o. ANSWER DOWNLOAD EXAMIANS APP
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