JEE Main 8 Apr 2024 Shift 2 Solved Paper

A heater is designed to operate with a power of 1000W in a 100V line. It is connected in combination with a resistance of 10Ω and a resistance R, to a 100V mains as shown in figure. For the heater to operate at 62.5W, the value of R should be ................ Ω.