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एक लम्बे सीधे तार में 3.5 A विद्युत ...

एक लम्बे सीधे तार में `3.5 A` विद्युत धारा प्रवाहित हो रही है | तार से 20 cm पर स्थित किसी बिंदु पर चुम्बकीय क्षेत्र का परिमाण ज्ञात कीजिए |

A

`1.9xx 10^(10)N//C`

B

`6.1xx10^(13)N//C`

C

`4.8xx10- ^(7)N//C`

D

`1.5xx10 ^(6) N//C`

Text Solution

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The correct Answer is:
C
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