Q582
Brightness of bulb depends on voltage or current?
A.
Current
B.
Voltage
C.
Both A & B
AnswerD.
None
Answer: Option C
Solution
Answer: Option C
Solution:
Brightness of bulb depends on both voltage and current. The brightness depends on power.Since we know that Power (P) = Voltage x Current = V I
So whether you increase the current or the voltage the brightness will increase.