Q. Why is the scale of a megger calibrated in megaohms?

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Q. Megger can be used for verifying the electrical insulation level of ____________

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Q. Continuity between any two points can be measured using _________

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Q. Electrical continuity between any two points exists if _________

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Q. Megger is also known as _________

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Q. The application of a megger is _________

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Q. What is the significance of a megger with respect to high resistance?

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Q. How is the megger calibrated?

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Q. What is earthing?

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Q. What is an earth electrode?

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Q. Earth electrode provides ____________

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Q. How is the condition of an earth electrode measured?

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Q. In a three phase system, the neutral is _________

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Q. Earthing is used as return conductor in telephone lines and for traction work.

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Q. Earthing does not help in protecting the equipment.

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Q. After earthing, the different parts of an electrical machinery are at _________

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Q. Connection of the various parts of a circuit to earth has a _________

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Q. Specific resistance of soil is _________

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Q. The readings of polar type potentiometer are I = 12.4∠27.5°, V = 31.5∠38.4°. Then, reactance of the coil will be ________

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Q. The voltage drop across a standard resistor of 0.2 Ω is balanced at 83 cm. Find the magnitude of the current, if the standard cell emf of 1.53 V is balanced at 42 m.

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