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किसी कार की संचायक बैटरी का विधुत वाहक बल 12V है । यदि बैटरी का आंतरिक प्रतिरोध () हो, तो बैटरी से ली जाने वाली अधिकतम धारा का मान क्या है ?

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किसी कार की संचायक बैटरी का विधुत वाहक बल 12V है । यदि बैटरी का आंतरिक प्रतिरोध () हो, तो बैटरी से ली जाने वाली अधिकतम धारा का मान क्या है ?
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प्रश्नानुसार, वि० वा० बल (E )=12V , आंतरिक प्रतिरोध `(r)=0.4Omega`
`therefore` बैटरी से ली गयी धारा `(I)=E/(R+r)`
अधिकतम धारा की अवस्था में , R=0
`therefore " " I_(max)=R/r`
`(12)/(0.4)=30A`
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