#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
A coil is carrying a current of 10 A and has radius 10 cm and number of turns 500. It is rewound to make a new coil of radius 5 cm and it carries same current 10 A.

The ratio same current 10 A. The ratio of magnetic moment of original coil to that of new coil is

Select one correct option:

3:2 Correct 💪 In-correct 🧐
4:1 Correct 💪 In-correct 🧐
2:1 Correct 💪 In-correct 🧐
4:3 Correct 💪 In-correct 🧐
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