Question: The conditions for a resistor to have the same value of resistance at medium frequencies as with d.c is :
Answer:
MCQ: The conditions for a resistor to have the same value of resistance at medium frequencies as with d.c is :
Correct Answer:
A. CR<sup>2 </sup>= L
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Related Questions
- 1. A 100 Ω resistor has an effective inductance of 0.1µ H and a distributed capacitance of 20 pF. Its time constant at medium frequencies is :
- 2. In resistance standards, bifilar winding arrangement is used to reduce :
- 3. The resistance coil of a winding has a distributed capacitance of 9 pF. When wound in a single section. The same winding is sectionalized and is wound in three sections connected in series.The distributed capacitance of the winding with new arrangement is :
- 4. In order that value of an inductance standard should remain constant irrespective of the value of current carried by its coil :
- 5. In order that the values of effective resistance and inductance of a standard remain unaffected due to changes in frequency :
- 6. The value of effective inductance standard inductors at low and medium frequencies is approximately :
- 7. An imperfect capacitor is represented by a capacitance C<sub>p</sub>, in parallel with a resistance R<sub>p.</sub> the value of its dissipation factor (tan δ) is :
- 8. Capacitors with solid dielectric materials are used because :
- 9. The effective value of capacitance of standard capacitor at low and medium frequencies is
- 10. If an analog PMMC 0 – 10 A ammeter is provided with no controlling mechanism and the moving part are free to rotate, what will be the reading of the instrument if a current of 1 A (d.c) passed through the moving coil (the torque produced is sufficient to overcome the frictional losses)
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