Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the none of these. dimension LT-1. speed of light. both ‘a’ and ‘b’. none of these. dimension LT-1. speed of light. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 25 W. 50 W. 0 W. 100 W. 25 W. 50 W. 0 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Eddy current Spring Gravity Coil Eddy current Spring Gravity Coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is expontial. logarithmic. square law. linear. expontial. logarithmic. square law. linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.2% 1% 0.5% 1.5% 1.2% 1% 0.5% 1.5% ANSWER DOWNLOAD EXAMIANS APP