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What is the electric field strength at a distance of 15 cm from a point charge that has 12 microcoulombs? Please help
asked
Jan 12, 2022
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What is the electric field strength at a distance of 15 cm from a point charge that has 12
microcoulombs?
Please help
Mathematics
college
Mrahmiao
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Mrahmiao
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the formula is E= kQ/ d^2
k is 9x10^9
i changed 15 cm to 0.15 m
=> 9x10^9 x 12 OVER (0.15)^2
the answer is 4.8x10^12 N/C
but this is the electric field.
to find electric field STRENGTH, it’s E= F/q and you did not give a value for the force
Pranita
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Jan 17, 2022
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Pranita
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