Measurement and Instrumentation The internal resistance of an ammeter should be Very small Medium High Infinity Very small Medium High Infinity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Fluid friction Permanent magnet None of the listed here Air friction Fluid friction Permanent magnet None of the listed here Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. 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 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standard resistor ia made from Silver Platinum Nichrome Manganin Silver Platinum Nichrome Manganin ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
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