Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 4. 2. 1. 3. 4. 2. 1. 3. 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 Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 100 Nm. 2 Nm. 1 Nm. 200 Nm. 100 Nm. 2 Nm. 1 Nm. 200 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 10 ohm. 1 ohm. 100 ohm. 1000 ohm. 10 ohm. 1 ohm. 100 ohm. 1000 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A potentiometer. A frequency meter. A function generator. An ammeter. A potentiometer. A frequency meter. A function generator. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can be balanced if the resistance have some specific values None of the listed here The bridge cannot be balanced The bridge can always be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge cannot be balanced The bridge can always be balanced ANSWER DOWNLOAD EXAMIANS APP
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