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Earth's Magnetism

An infinite l...

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An infinite long copper wire of diameter 3.2 mm carries a current i. The maximum magnetic field due to this wire is 2 × 10^–3 T. The value of the current i is

3.2 mm व्यास का एक अनन्त लम्बा कॉपर तार धारा i ग्रहण किए हुए है। इस तार के कारण अधिकतम चुम्बकीय क्षेत्र 2 × 10^–3 T है। धारा i का मान है

A

8 A

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B

10 A

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C

16 A

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D

20 A

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Solution

The correct option is C 16 A
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