Mathematics · Magnetic Effects of Electric Current - Numerical
I धारा ले जाने वाले एक लंबे सीधे सोलेनोइड (परिनालिका) के अंदर चुंबकीय क्षेत्र B है। अन्य सभी मापदंडों को समान रखते हुए, यदि सोलेनोइड से बहने वाली धारा को आधा कर दिया जाए, तो चुंबकीय क्षेत्र क्या होगा?
- 12B
- 2B
- 3B4
- 4B2✓
सही उत्तर देखें
B2
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