Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 6% ± 4% ± 3% ± 2.8% ± 6% ± 4% ± 3% ± 2.8% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Fundamental quantity Derived quantity None of these Numerical quantity Fundamental quantity Derived quantity None of these Numerical quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 252 V. 248 V. 260 V. 250 V. 252 V. 248 V. 260 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of R1, R2, R3. The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of R1, R2, R3. The bridge is balanced for some specified value of frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most accurate. most simple. most simple and least time consuming. least time consuming. most accurate. most simple. most simple and least time consuming. least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? Moving coil voltmeter VTVM Moving iron voltmeter CRO Moving coil voltmeter VTVM Moving iron voltmeter CRO ANSWER DOWNLOAD EXAMIANS APP