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Current Electricity question

2024 · 8 Apr · Shift 2 · Q66
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  5. /2024 · 8 Apr · Shift 2 · Q66

Current Electricity question

2024 · 8 Apr · Shift 2 · Q66

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1
Water boils in an electric kettle in 20 minutes after being switched on. Using the same main supply, the length of the heating element should be ‾\underline{\hspace{2cm}}​ to ‾\underline{\hspace{2cm}}​ times of its initial length if the water is to be boiled in 15 minutes.
  1. A
    increased, 34\frac{3}{4}43​
  2. B
    increased, 43\frac{4}{3}34​
  3. C
    decreased, 34\frac{3}{4}43​
  4. D
    decreased, 43\frac{4}{3}34​
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