Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity None of these Fundamental quantity Derived quantity Numerical quantity None of these Fundamental quantity Derived quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by eddy current disk. the coil spring attached to the moving. damping vane in the airtight chamber. the aluminium frame of the coil. eddy current disk. the coil spring attached to the moving. damping vane in the airtight chamber. the aluminium frame of the coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when None of these Supply voltage is low Load impedance is high Load impedance is low None of these Supply voltage is low Load impedance is high Load impedance is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. None of above. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. None of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 100 mA. 1mA. 10 mA. 0.5 mA. 100 mA. 1mA. 10 mA. 0.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±3.5% ± 3.0% ± 1.5% ±0.5% ±3.5% ± 3.0% ± 1.5% ±0.5% ANSWER DOWNLOAD EXAMIANS APP