Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 2% 5% 4% 3% 2% 5% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The ratio of change in output to the change in the input is called sensitivity repeatability precision resolution sensitivity repeatability precision resolution ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are false. 1 is false but 2 is true. Both 1 and 2 are true. 1 is true but 2 is false. Both 1 and 2 are false. 1 is false but 2 is true. Both 1 and 2 are true. 1 is true but 2 is false. 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? 49.99 Ohms 1 Ohm 1/49.99 ohms 2 Ohms 49.99 Ohms 1 Ohm 1/49.99 ohms 2 Ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high sensitivity. minimum effect on the current in the circuit. high accuracy. high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. Thermocouple meter. Moving - coil meter. VTVM. Moving - iron meter. Thermocouple meter. Moving - coil meter. VTVM. ANSWER DOWNLOAD EXAMIANS APP
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