The role of the compensating coil in a megger is ________ Options: A . &nbspreduce current B . &nbspincrease voltage C . &nbspcontrol temperature D . &nbspscaling

The role of the compensating coil in a megger is _______

Question

The role of the compensating coil in a megger is ________

Options:

A . reduce current

B . increase voltage

C . control temperature

D . scaling

Answer: Option D
Answer: (d).scaling

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Question 1. The supply to the megger is given by ________....

Question 2. The moving element of the ohmmeter in a megger consists of ________....

Question 3. A guard ring is provided in a megger to ________....

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Question 5. The current flowing in a resistor of 1Ω is measured to be 25 A. But it was discovered that ammeter reading was low by ....Find true power as a percentage of the original power.

Question 6. Resistances R₁ and R₂ have respectively, nominal values of 10Ω and 5Ω and limiting error of ± 5% and ±....error for the series combination of R₁ and R₂ is?

Question 7. Two resistances 100 ± 5Ω and 150 ± 15Ω are connected in series. If the error is specified as standard devi....specified as standard deviations, the resultant error will be _________

Question 8. A resistor of 10 kΩ with the tolerance of 5% is connected in series with 5 kΩ resistors of 10% tolerance. What is th....tolerance. What is the tolerance limit for a series network?

Question 9. Resistance is measured by the voltmeter-ammeter method employing DC excitation and a voltmeter is connected directly acr....in the value of resistance deduced from the measurement is?

Question 10. A galvanometer with a full-scale current of 10 mA has a resistance of 1000 Ω. The multiplying power of a 100 Ω shunt....power of a 100 Ω shunt with this galvanometer is?

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