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पूर्व से पश्चिम दिशा में विस्तृत एक 10 m लम्बा क्षैतिज सीधा तार` 0.30 xx 10^(-4) "Wb" m^(-2)` तीव्रता वाले पृथ्वी के चुम्बकीय क्षेत्र के क्षैतिज घटक से लम्बवत `5.0 "m " s^(-2)` की चाल से गिर रहा है ।
(a) तार में प्रेरित विद्युत वाहक बल का तात्क्षणिक मान क्या होगा ?

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दिया है - l = 10 m , v = ` 5 " ms"^(-1)`
` B_(H) = 0.30 xx 10^(-4)` W b ` " m"^(2)`
सूत्र ` epsilon = B_(H) lv`
` = 0.3 xx 10^(-4) xx 10 xx 5`
` = 1.5 xx 10^(-3)` वोल्ट |

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