Two point charges of equal magnitude are 8.5 c m apart. At the midpoint of the l

Question

Two point charges of equal magnitude are 8.5cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 45N/C .

Part A Find the magnitude of the charges. Two point charges of equal magnitude are 8.5cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 45N/C .

Two point charges of equal magnitude are 8.5cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 45N/C .

Two point charges of equal magnitude are 8.5cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 45N/C .

Part A Find the magnitude of the charges.

Explanation / Answer

The electric field will add up

2kq/R^2=45 n/c

2*8.9*10^9*q/.0425^2

q=45*.0425*.0425/2k=4.56*10^-12 C

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