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QNEET-2021-Ph-615: NEET 2021 Physics - Class 12 NEET-2021-Ph-615 Solution: A thick current carrying cable of radius 'R' carries current…

A thick current carrying cable of radius 'R' carries current 'I' uniformly distributed across its cross section. The variation of magnetic field B(r) due to the cable with the distance 'r' from the axis of the cable is represented by:

Multiple Choice Options

  • A https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/0a68ca7c70cb42d7124a0ed22547f449261fc49202e0e4ee9931103b09ecef7a.webp
  • B https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/5d44ed94183f6f15350e6547c6e9c5cbdb5dd06ac35c203b2ca458fdcb2f4db8.webp
  • C https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/9f969dd673cb720281dc29a106c08f5ba6d363a36da6de82c49ba19b81f9d5c9.webp
  • D https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/31e27ac57090d2f70d8c9f56ccc51970b1883db6687c759e01101d437f6452ed.webp

Step-by-Step Verified Solution

From Ampere's circuital law B i n = _ 0 I r 2 � R 2 B 0 = _ 0 I 2 � r

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