What is earthing? Options: A . &nbspconnecting electrical machines to earth B . &nbspproviding a connection to the ground C . &nbspconnecting the electrical machines to source D . &nbspproviding a source of current

What is earthing?

Question

What is earthing?

Options:

A . connecting electrical machines to earth

B . providing a connection to the ground

C . connecting the electrical machines to source

D . providing a source of current

Answer: Option A
Answer: (a).connecting electrical machines to earth

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Question 1. Earth electrode provides ____________....

Question 2. In a three phase system, the neutral is _________....

Question 3. How is the condition of an earth electrode measured?....

Question 4. Earthing is used as return conductor in telephone lines and for traction work.....

Question 5. Earthing does not help in protecting the equipment.....

Question 6. After earthing, the different parts of an electrical machinery are at _________....

Question 7. Specific resistance of soil is _________....

Question 8. The readings of polar type potentiometer are I = 12.4∠27.5°, V = 31.5∠38.4°. Then, reactance of the coil w....= 31.5∠38.4°. Then, reactance of the coil will be ________

Question 9. Connection of the various parts of a circuit to earth has a _________....

Question 10. The voltage drop across a standard resistor of 0.2 Ω is balanced at 83 cm. Find the magnitude of the current, if the s....cell emf of 1.53 V is balanced at 42 m.

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