Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Moving iron Hot wire Thermocouple Dynamometer Moving iron Hot wire Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for minimum effect on the current in the circuit. high sensitivity. high accuracy. high precision. minimum effect on the current in the circuit. high sensitivity. high accuracy. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. none of these. speed of light. dimension LT-1. both ‘a’ and ‘b’. none of these. speed of light. dimension LT-1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Air friction Eaddy current Fluid friction None of the listed here Air friction Eaddy current Fluid friction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 50W 150W 100W 200W 50W 150W 100W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Linear None of the listed here Non-linear Either linear or non linear Linear None of the listed here Non-linear Either linear or non linear ANSWER DOWNLOAD EXAMIANS APP
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