Measurement and Instrumentation An oscilloscope indicates DC value of voltage RMS value Peak to peak value of voltage Average value DC value of voltage RMS value Peak to peak value of voltage Average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. 4.20 V. Zero. 6.66 V. - 3.33 V. 4.20 V. Zero. 6.66 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Instrument transformer. Energy meter. Wattmeters. Power factor meters. Instrument transformer. Energy meter. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high sensitivity. 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. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 3 mA. 4 mA. 1 mA. 2 mA. 3 mA. 4 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Charge Power Force Frequency Charge Power Force Frequency ANSWER DOWNLOAD EXAMIANS APP