Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 25.2% 1.2% 5.2% 10.2% 25.2% 1.2% 5.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Y is more sensitive. X is more sensitive. Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Y is more sensitive. X is more sensitive. 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. 1 is false but 2 is true. Both 1 and 2 are true. Both 1 and 2 are false. 1 is true but 2 is false. 1 is false but 2 is true. Both 1 and 2 are true. Both 1 and 2 are false. 1 is true but 2 is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V One of the meters out of the range and other 100V 300V each 400V and 200V 360V and 240V One of the meters out of the range and other 100V 300V each 400V and 200V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Battery Permanent magnet dc generator Ac generator Any of the listed here Battery Permanent magnet dc generator Ac generator Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. ANSWER DOWNLOAD EXAMIANS APP
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