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Tentukan potensial listrik pada suatu titik berjarak 1 cm dari muatan . Konstanta Coulomb , .

Tentukan potensial listrik pada suatu titik berjarak 1 cm dari muatan begin mathsize 14px style q equals 5 comma 0 space μC end style. Konstanta Coulomb begin mathsize 14px style open parentheses k close parentheses equals 9 cross times 10 to the power of 9 space Nm squared straight C to the power of negative 2 end exponent end style, begin mathsize 14px style 1 space μC equals 10 to the power of negative 6 end exponent space straight C end style.undefined

  1. ....undefined

  2. ....undefined

Jawaban:

Diketahui :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row r equals cell 1 space cm space equals 1 cross times 10 to the power of negative 2 end exponent space straight m end cell row q equals cell plus 5 comma 0 space μC equals plus 5 comma 0 cross times 10 to the power of negative 6 end exponent space straight C end cell row k equals cell 9 cross times 10 to the power of 9 space Nm squared straight C to the power of negative 2 end exponent end cell end table end style 

Ditanya :

V =.....?

Jawab :

begin mathsize 14px style V equals fraction numerator k q over denominator r end fraction V equals fraction numerator 9 cross times 10 to the power of 9 cross times open parentheses plus 5 comma 0 cross times 10 to the power of negative 6 end exponent close parentheses over denominator 1 cross times 10 to the power of negative 2 end exponent end fraction V equals plus 9 cross times 10 to the power of 9 cross times 5 comma 0 cross times 10 to the power of negative 6 end exponent cross times 10 squared V equals plus 45 cross times 10 to the power of 5 space v o l t end style 

Jadi, potensial listriknya sebesar begin mathsize 14px style bold plus bold 45 bold cross times bold 10 to the power of bold 5 bold space bold volt end style.

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