Three point charges of magnitude 5 μ C, 0.16 μ C and 0.3 μ C are located at the vertices A, B, C of a right angled triangle whose sides are A B=3 cm , B C=3 √2 cm and CA =3 cm and point A is the right angle corner. Charge at point A experiences N of electrostatic force due to the other two charges.

Question

Three point charges of magnitude 5 μ C, 0.16 μ C and 0.3 μ C are located at the vertices A, B, C of a right angled triangle whose sides are A B=3 cm , B C=3 √2 cm and CA =3 cm and point A is the right angle corner. Charge at point A experiences N of electrostatic force due to the other two charges. (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/9a58a5f8fb69e05dc330613939e61f48-.png" /> F 1=( k × 5 × 0.3 × 10-12/9 × 10-4) =(9 × 109 × 5 × 0.3 × 10-12/9 × 10-4) =1.5 × 10=15 N F 2=(9 × 109 × 5 × 0.16 × 10-12/9 × 10-4)=8 N force experienced by charge at A =√ F 12+ F 22 =√152+82 =√289=17 N

Q. Three point charges of magnitude 5μC, 0.16μC and 0.3μC are located at the vertices A, B, C of a right angled triangle whose sides are AB=3cm,BC=32​cm and CA=3cm and point A is the right angle corner. Charge at point A experiences _______N of electrostatic force due to the other two charges.

F1​=9×10−4k×5×0.3×10−12​ =9×10−49×109×5×0.3×10−12​ =1.5×10=15N F2​=9×10−49×109×5×0.16×10−12​=8N force experienced by charge at A=F12​+F22​​ =152+82​ =289​=17N