Q144 / 160 · AP EAMCET 2025 (21 MAY SHIFT 1) · Physics

The force between two point charges kept with a separation of 9 cm in air is 98 N. If a dielectric slab of constant 4, thickness 6 cm and another dielectric slab of constant 9, thickness 3 cm are introduced between the two charges, then the new force becomes

Correct answer
A
18 N
B
36 N
C
49 N
D
84 N

Hence, the correct answer is option: 'A'.

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