Question: Consider the following statements.A dc potentiometer is the best means available for the measurement of dc voltage because <ol> <li>The precision in measurement is independent of the type of detector used</li> <li>It is based on null balance technique</li> <li>It is possible to standardize before a measurement is undertaken</li> <li>It is possible to measure dc voltages ranging in value from mV to hundreds of volts Of these statements,</li> </ol>
Answer:
MCQ: Consider the following statements.A dc potentiometer is the best means available for the measurement of dc voltage because <ol> <li>The precision in measurement is independent of the type of detector used</li> <li>It is based on null balance technique</li> <li>It is possible to standardize before a measurement is undertaken</li> <li>It is possible to measure dc voltages ranging in value from mV to hundreds of volts Of these statements,</li> </ol>
Correct Answer:
A. 2 and 3 are correct
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Related Questions
- 1. In a dc potentiometer measurements, a second reading is often taken after reversing the polarities of dc supply and the unknown voltage, and the average of the two readings is taken. This is with a view to eliminate the effects of
- 2. Please check figures here to answer the Questions from 1-3. <img class="aligncenter size-full wp-image-13089" style="width: 200px; height: 150px;" src="http://examradar.com/wp-content/uploads/2021/04/fig-AC-Birdges-1.png" alt="" />in order that the bridge shown in fig be balanced
- 3. For the bridge shown in figure above Z<sub>1 </sub>= 200Ω ∠30°, Z<sub>2 </sub>= 150Ω ∠0°, Z<sub>3 </sub>= 250Ω ∠-40°. In order that the bridge can be balanced Z<sub>4 </sub>should be :
- 4. For the bridge shown in figure above , arm ab consists of resistance in series with an inductance, arms bc and ad consists of pure resistance. in order to achieve balance arm cd should consist of
- 5. The equations under balance conditions for a bridge are :R<sub>1</sub> = R<sub>2</sub> R<sub>3</sub> / R<sub>4 </sub>and L<sub>1 </sub>= R<sub>2</sub>R<sub>3</sub>C<sub>4</sub>Where R1<sub> </sub> and L1 are respectively unknown resistance and inductance.In order to achieve converging balance
- 6. Maxwell’s inductance-capacitance bridge is used for measurement of inductance of :
- 7. The advantage of Hay’s bridge over Maxwell’s inductance-capacitance bridge is because
- 8. In D’Sauty’s bridge (unmodified form) it is :
- 9. Frequency can be measured by using :
- 10. A bridge circuit works at a frequency of 2 kHz. The following can be used as detectors for detection of null conditions in the bridge
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