Question
Physics Question on Power in Electric Circuits
In the given circuit if power rating of heater is 1000 watt at 100 volt. Find the resistance R in figure so that heater produce power of 62.5 W.
A
5Ω
B
7Ω
C
10Ω
D
8Ω
Answer
5Ω
Explanation
Solution
The correct option is (A): 5Ω.