Physics · Fluid Machinery
The rotational speed of a fan operating at a constant air density is doubled. The power input to the fan changes by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It decreases by 8 times
- 2It increases by 8 times✓
- 3It decreases by 4 times
- 4It increases by 4 times
Correct answer
It increases by 8 times
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