Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1.5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 5.78 A. 4.47 A. 2 A. 4 A. 5.78 A. 4.47 A. 2 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Frequency. Capacitance. Resistance. Inductance. Frequency. Capacitance. Resistance. Inductance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz vertical oscillator 5MHz sweep 10MHz supply frequency 10MHz horizontal oscillator 10MHz vertical oscillator 5MHz sweep 10MHz supply frequency 10MHz horizontal oscillator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Watt Newton Ampere Joule/sec Watt Newton Ampere Joule/sec ANSWER DOWNLOAD EXAMIANS APP