Measurement and Instrumentation A 10MHz CRO has 10MHz horizontal oscillator 5MHz sweep 10MHz supply frequency 10MHz vertical oscillator 10MHz horizontal oscillator 5MHz sweep 10MHz supply frequency 10MHz vertical oscillator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Moving iron repulsion type voltmeter Permanent magnet type ammeter Electrostatic ammeter Induction ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Electrostatic ammeter Induction ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 50 V. 100 V. 25 V. 200 V. 50 V. 100 V. 25 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.65 0.73 0.84 1 0.65 0.73 0.84 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS