Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Megger Wheat stone bridge Kelvin's double bridge None of the listed here Megger Wheat stone bridge Kelvin's double bridge None of the listed here 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. 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. 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 is balanced for some specified value of R1, R2, R3. The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge is balanced for some specified value of R1, R2, R3. The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge can be balanced. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Medium frequency Low frequency Very high frequency High frequency Medium frequency Low frequency Very high frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
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