The role of the permanent magnet in a megger is to ________ Options: A . &nbspprovide field B . &nbspprovide voltage C . &nbspgenerate power D . &nbspbalance the circuit

The role of the permanent magnet in a megger is to _______

Question

The role of the permanent magnet in a megger is to ________

Options:

A . provide field

B . provide voltage

C . generate power

D . balance the circuit

Answer: Option A
Answer: (a).provide field

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Question 1. The role of the compensating coil in a megger is ________....

Question 2. The supply to the megger is given by ________....

Question 3. The moving element of the ohmmeter in a megger consists of ________....

Question 4. A guard ring is provided in a megger to ________....

Question 5. A 0-400V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 250....instrument is 250 V. Calculate the limiting error in percentage.

Question 6. 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 7. 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 8. 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 9. 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 10. 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?

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