Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meters has a linear scale? Hot wore meter Thermocouple meter Moving iron meter Moving coil meter Hot wore meter Thermocouple meter Moving iron meter Moving coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.73 0.84 0.65 1 0.73 0.84 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Ohm’s law method Lorenz method Rayleigh method Bridge Method Ohm’s law method Lorenz method Rayleigh method Bridge Method 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? 1/49.99 ohms 2 Ohms 1 Ohm 49.99 Ohms 1/49.99 ohms 2 Ohms 1 Ohm 49.99 Ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz horizontal oscillator 10MHz vertical oscillator 5MHz sweep 10MHz supply frequency 10MHz horizontal oscillator 10MHz vertical oscillator 5MHz sweep 10MHz supply frequency ANSWER DOWNLOAD EXAMIANS APP