इलेक्ट्रॉनचा प्रभार 1.6 × 10-19 C आहे असे गृहीत धरून, जेव्हा तारेमध्ये 1 A चा विद्युत प्रवाह वाहतो तेव्हा प्रति सेकंद तारेच्या काटछेदातून जाणाऱ्या इलेक्ट्रॉनची संख्या किती आहे?

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RRB ALP CBT I 17 Aug 2018 Shift 3 Official Paper
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  1. 1.6 × 10-19
  2. 1.6 × 1019
  3. 0.625 × 1017
  4. 6.25 × 1018

Answer (Detailed Solution Below)

Option 4 : 6.25 × 1018
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Detailed Solution

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योग्य उत्तर 6.25 × 1018 आहे.

Key Points

  • दिलेल्याप्रमाणे:
    • विद्युत प्रवाह, I = 1A
    • वेळ = 1s
  • सूत्र वापरून,
    • Q = I x T
    • Q = 1 x1
    • C = 1
  • आता जर प्रभार 1.6 x 10-19C असेल, तर इलेक्ट्रॉनची संख्या 1 असेल. तर, जर प्रभार 1 C असेल, तर इलेक्ट्रॉनची संख्या खालीलप्रमाणे दिलेली आहे-
    • 1/(1.6 x 10-19) x 1
    • 6.25 x 1018
  • अशाप्रकारे, 6.25 x 1018 इलेक्ट्रॉन्स 1 अँपिअर विद्युत् प्रवाह तयार करण्यासाठी एका सेकंदात वाहकामधून गेले पाहिजेत.

Additional Information

  • विद्युत प्रवाह:
    • मूलभूत शब्दात विद्युत प्रवाह म्हणजे विद्युत प्रभाराचा प्रवाह.
    • सामान्य प्रभार वाहक इलेक्ट्रॉन असतात, परंतु ते रासायनिक बॅटरीच्या बाबतीत आयन देखील असू शकतात.
    • SI प्रणालीमधील अँपेरेजचे एकक अँपिअर (A), 1 अँपिअर हे अँपेरेज असते जेव्हा 1 कूलॉम्बचा प्रभार क्रॉस-सेक्शनमधून 1 सेकंदासाठी जातो.

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