E2=−r3KP2 ; E1=−r32KP1
P1=2×10−6×10−2=2×10−8
P2=4×10−6×10−2=4×10−8
Enet=(0.4)32×9×109×2×10−8i^−(0.4)39×109×4×10−8j^
Enet=(0.4)39×109×4×10−8[i^−j^]
∣Enet∣=169×104(2)
Two shorts dipoles (A, B), A having charges ± 2 μ C and length 1 cm and B having charges ± 4 μ C and length 1 cm are placed with their centres 80 cm…
JEE Main 2026 — Physics Electromagnetism
2026mcqhard
Two shorts dipoles (A,B),A having charges ±2μC and length 1 cm and B having charges ±4μC and length 1 cm are placed with their centres 80 cm apart as shown in the figure. The electric field at a point P, equi-distant from the centres of both dipoles is ____ N/C.
Official previous-year question
Held on 23 Jan 2026 · Verified 6 Jul 2026.
Options
- A
1692×104
- B
92×104
- C
4.52×104
- D
1692×105
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