Measurement and Instrumentation An electrodynamic meter can be used to measure AC volatge. DC current. DC voltage. both AC and DC voltage. AC volatge. DC current. DC voltage. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Ripples of the DC supply. Stray thermal emfs. Stray magnetic fields. Errorneous standardisation. Ripples of the DC supply. Stray thermal emfs. Stray magnetic fields. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz supply frequency 10MHz horizontal oscillator 5MHz sweep 10MHz vertical oscillator 10MHz supply frequency 10MHz horizontal oscillator 5MHz sweep 10MHz vertical oscillator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multirange meters inside the measurement system Variable turns of coil Multiple shunt or series resistance inside the meter Multicoil arrangement Multirange meters inside the measurement system Variable turns of coil Multiple shunt or series resistance inside the meter Multicoil arrangement ANSWER DOWNLOAD EXAMIANS APP
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