Physics · Electromagnetic Induction
नगण्य प्रतिरोध वाली 2 H प्रेरकत्व (inductance) की एक कुंडली को एक आपूर्ति स्रोत से जोड़ा जाता है जिसका वोल्टेज V = 3t वोल्ट द्वारा दिया जाता है (जहाँ t सेकंड में है)। यदि वोल्टेज t = 0 पर लागू किया जाता है, तो 4 सेकंड के बाद कुंडली में संचित ऊर्जा ____ J होगी।
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