Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil None of the listed here Potential coil Current coil and potential coil Current coil None of the listed here Potential coil Current coil and potential coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. minimum effect on the current in the circuit. high precision. high sensitivity. high accuracy. minimum effect on the current in the circuit. high precision. high sensitivity. 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 In a ballistic galvanometer, the deflecting torque is proportional to Square of current through coil Sine of measured Square-root of current through coil The current through coil Square of current through coil Sine of measured Square-root of current through coil The current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1% 1.5% 2% 2.5% 1% 1.5% 2% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS