Physics · Magnetic Effects of Current
त्रिज्या r का एक वृत्ताकार चाप (circular arc), जिसमें धारा I प्रवाहित हो रही है, अपने केंद्र पर π16 का कोण बनाता है। तार का अनुप्रस्थ काट एकसमान है। वृत्ताकार चाप के केंद्र पर चुंबकीय प्रेरण (magnetic induction) क्या होगा? [μ0 = मुक्त आकाश की पारगम्यता]
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μ0I64r
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