Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ±5) A (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ±5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Current transformers All of the listed here Potential transformers Shunt Current transformers All of the listed here Potential transformers Shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 11. 110. 10. 100. 11. 110. 10. 100. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Absolute error Gross error Relative error Dynamic error Absolute error Gross error Relative error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to None of the listed here By pass the current Increase the sensitivity of the ammeter Increase the resistance of ammeter None of the listed here By pass the current Increase the sensitivity of the ammeter Increase the resistance of ammeter ANSWER DOWNLOAD EXAMIANS APP