2 × 104 N C–1
EA is directed toward the right Rationalised 2023-24
Electric Charges
and Fields
19
The electric field vector E1B at B due to the positive charge q1 points
towards the left and has a magnitude
9
2
–2
8
1B
2
(9
10 Nm C
)
(10
C)
(0 05 m)
E
−
×
×
=
= 3 6 × 104 N C–1
The electric field vector E2B at B due to the negative charge q2 points
towards the right and has a magnitude
9
2
–2
8
2B
2
(9
10 Nm C
)
(10
C)
(0