Measurement and Instrumentation Which of the following cannot be measured by multimeters? Resistance Frequency Voltage Current Resistance Frequency Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. An ammeter should have a very low resitance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.67 A. 0.25 A. 0.70 A. 0.50 A. 0.67 A. 0.25 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 0.9µF 1.5µF 3.9µF 2.4µF 0.9µF 1.5µF 3.9µF 2.4µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads infinite. high but within tolerance. zero. low but not zero. infinite. high but within tolerance. zero. low but not zero. 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 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 200V and V2 = 300V. V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 200V and V2 = 300V. ANSWER DOWNLOAD EXAMIANS APP