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Dengan muatan listrik terpisah seperti pada gambar...

Dengan muatan listrik terpisah seperti pada gambar. Kuat medan pada titik P adalah ...

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  1. 9 comma 0 cross times 10 to the power of 9 N. C to the power of negative 1 end exponent

  2. 4 comma 5 cross times 10 to the power of 9 N. C to the power of negative 1 end exponent

  3. 3 comma 6 cross times 10 to the power of 9 N. C to the power of negative 1 end exponent

  4. 5 comma 4 cross times 10 to the power of 9 N. C to the power of negative 1 end exponent

  5. 4 comma 5 cross times 10 to the power of 9 N. C to the power of negative 1 end exponent

Jawaban:

Kuat medan listrik A yang dirasakan oleh titik P adalah :

straight E subscript AP equals straight k straight q subscript straight A over straight R squared subscript AP equals left parenthesis 9 cross times 10 to the power of 9 right parenthesis fraction numerator left parenthesis 2 comma 5 right parenthesis over denominator left parenthesis 5 right parenthesis squared end fraction equals 0 comma 9 cross times 10 to the power of 9 space straight N divided by straight C

Kuat medan listrik B yang dirasakan oleh titik P adalah :

straight E subscript BP equals straight k straight q subscript straight B over straight R squared subscript BP equals space left parenthesis 9 cross times 10 to the power of 9 right parenthesis fraction numerator left parenthesis 2 right parenthesis over denominator left parenthesis 2 right parenthesis squared end fraction equals 4 comma 5 cross times 10 to the power of 9 space straight N divided by straight C

Maka, kuat medan listrik total yang dirasakan oleh titik P adalah :

straight E subscript straight p equals straight E subscript BP minus straight E subscript AP  straight E subscript straight C equals left parenthesis 4 comma 5 minus 0 comma 9 right parenthesis cross times 10 to the power of 9  straight E subscript straight C equals 3 comma 6 cross times 10 to the power of 9 space straight N divided by straight C

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