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The electric field 0.70 m from a point charge is 180… | StemPy Lab
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The electric field 0.70 m from a point charge is 180 N/C. Take 1/4πε₀ = 9.0 × 10⁹ N m²/C². What is the charge?
Physics
Medium
High School (11–12)
Electricity & Magnetism › Electrostatics
NEET
AP
A-Level
IB
Created by
StemPy Lab
The electric field
0.70
0.70
0.70
m from a point charge is
180
180
180
N/C. Take
1
4
π
ε
0
=
9.0
×
10
9
N m
2
/
C
2
\dfrac{1}{4\pi\varepsilon_0} = 9.0 \times 10^9\ \text{N m}^2/\text{C}^2
4
π
ε
0
1
=
9.0
×
1
0
9
N m
2
/
C
2
. What is the charge?
4.9
nC
4.9\ \text{nC}
4.9
nC
9.8
nC
9.8\ \text{nC}
9.8
nC
14.0
nC
14.0\ \text{nC}
14.0
nC
19.6
nC
19.6\ \text{nC}
19.6
nC
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An electric dipole has a dipole moment of 2.6 × 10⁻⁸ C m. It lies at 30° to a uniform field of 3.9 × 10³ N/C. What is the torque on the dipole? →
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