Question
Download Solution PDF2 A की एक धारा 5 मिनट के लिए 24 V कार हेड लाइट बल्ब के माध्यम से प्रवाहित होती है। इस दौरान कितना ऊर्जा स्थानांतरण होता है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा :
- जब भी कोई धारा प्रतिरोध में प्रवाहित होती है तब उसमें ऊष्मा उत्पन्न होती है ।
- विद्युत धारा द्वारा ऊष्मा उत्पन्न करने की घटना को विद्युत धारा का तापन प्रभाव कहा जाता है।
- जूल में उत्पादित ऊष्मा (H) की मात्रा =I2Rt
- लेकिन हम जानते हैं कि, V = IR
- इसलिए, उत्पादित ऊष्मा की मात्रा (H) जूल में = I2Rt = VIt
जहां I = धारा, R = प्रतिरोध, t = लिया गया समय और V = विद्युत विभव
व्याख्या:
दिया गया - I = 2 A, V = 24 V और t = 5 मिनट = 5 × 60 सेकंड = 300 सेकंड
- जूल में ऊष्मा का उत्पादन (H) निम्न है
⇒ H = VIt
⇒ H = 24 × 2 × 300 = 14400 J
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