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AURORKA [14]
3 years ago
15

What is the electric field strength at a distance of 15 cm from a point charge that has 12

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0
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
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