Why must the voltage supplied to a tungsten lamp be very stable?

Question: Why must the voltage supplied to a tungsten lamp be very stable?
[A].

Because if it wasn’t, the lamp would bum out

[B].

Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage

[C].

Because the lamp will only function at a specific voltage

[D].

All of the above

Answer: Option B

Explanation:

No answer description available for this question.