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CE Two light bulbs operate on the same potential
Chapter 21, Problem 25P(choose chapter or problem)
Problem 25P
CE Two light bulbs operate on the same potential difference. Bulb A has four times the power output of bulb B.
(a) Which bulb has the greater current passing through it? Explain,
(b) What is the ratio of the current in bulb A to the current in bulb B?
Questions & Answers
QUESTION:
Problem 25P
CE Two light bulbs operate on the same potential difference. Bulb A has four times the power output of bulb B.
(a) Which bulb has the greater current passing through it? Explain,
(b) What is the ratio of the current in bulb A to the current in bulb B?
ANSWER:
Step 1 of 3
(a)
Here we need to explain whether the resistance of the bulb A is greater, lesser or equal to the resistance of the bulb B. It is given that, the power rating of bulb A is four times the bulb B power rating when both the bulbs are operated in same voltage.