Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter None of these C. ammeter C. energy meter C. ammeter hour meter None of these C. ammeter C. energy meter ANSWER DOWNLOAD EXAMIANS APP
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) A (400 ± 2.24) A (400 ± 3) A (400 ± 1.5) A (400 ± 1) A (400 ± 2.24) A (400 ± 3) A (400 ± 1.5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. None of the listed here Fluid friction Eaddy current Air friction None of the listed here Fluid friction Eaddy current Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is Standard ohm One ohm according to SI units One international ohm One ohm according to working standards Standard ohm One ohm according to SI units One international ohm One ohm according to working standards ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Voltage Current Both Voltage and Temperature Temperature Voltage Current Both Voltage and Temperature Temperature 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 ohms 100 K ohms 99.99 K ohms 99.99 ohms 100 ohms 100 K ohms 99.99 K ohms ANSWER DOWNLOAD EXAMIANS APP