Question
Download Solution PDFजेव्हा ओहमच्या नियमाचे पालन करणार्या प्रतिरोधक वाहकाच्या प्रतिरोध R मधील विभवांतर दुप्पट केले जाते, तेव्हा उष्णता निर्मितीचा दर किती होईल?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
- विद्युत्विरोध: विद्युत साहित्य आणि विद्युत उपकरणे यांच्या गुणधर्माला विद्युत्विरोध म्हणतात.
- हे R द्वारे दर्शविले जाते. विद्युत्विरोधाचे SI एकक ओहम (Ω) आहे.
- शक्ती: विद्युत प्रवाहाने केलेल्या कामाच्या दराला शक्ती म्हणतात. हे P द्वारे दर्शविले जाते. शक्तीचे SI एकक वॅट (W) आहे.
शक्ती अपाकरण याद्वारे दिले जाते:
शक्ती (P) = V I = V2/R = I2 R
उष्णता निर्मिती (H) = (V2/R) t
जिथे V हा विद्युत्विरोधातील संभाव्य फरक आहे, I विद्युत प्रवाह आहे आणि R हा विद्युत्विरोध आहे.
गणना:
उष्णता निर्मिती (H) = (V2/R) t
संभाव्य दुप्पट आहे, V' = 2 V
त्यामुळे नवीन उष्णता निर्मिती (H') = (V'2/R) t = ((2V)2/R) t = 4 (V2/R) t = 4 H
त्यामुळे पर्याय 4 योग्य आहे.
Last updated on Jun 11, 2025
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