Why is sealing wax filled in the space between the terminals of a bulb?
A) To prevent the escape of air inside the bulb
B) To prevent the contact between the two terminals
C) To have a better contact of terminals with one another
D) To give support to the supporting wires holding the filament
Correct Answer: B
Solution :
The reason for filling the space between the terminals of the bulb with sealing wax is to prevent the contact between the two terminals.
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