If you have a light bulb connected to a circuit and you increase the current, what happens to the light bulb and the power (assu
ming the voltage remains the same)? A. the light bulb shines brighter and power decreases
b. the light bulb shines brighter and the power increases
c. the light bulb gets dimmer and the power decreases
d. the light bulb gets dimmer and the power increases
Power is defined as the amount of work done in a given amount of time. It is also defined as the product of voltage and the current.
Mathematically,
where,
P = power
V = voltage
I = current
As, the voltage remains constant, and if we increase the current flowing through the light bulb, power will also increase because current is directly proportional to the power of the light bulb.
Increase in the power will increase the brightness of the bulb and vice-versa.
The best and most correct answer among the choices provided by your question is the second choice or letter B.
When current is increased in a light bulb, <span>the light bulb shines brighter and the power increases.</span>
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