Current Electricity Charging Discharging Of Capacitors Question 2
Question: Assertion : The 200 W bulbs glows with more brightness then 100 W bulbs. Reason : A 100 W bulb has more resistance than a 200 W bulb.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: A
Solution:
The resistance, $ R=\frac{V^{2}}{P} $
Therefore $ R\propto 1/P $ i.e., higher is the wattage of a bulb, lesser is the resistance and so it will glow bright.
BETA
