AP EAMCET · PHYSICS · Electrostatics
\(A B C\) is a right angled triangle in which \(A B=3 \mathrm{~cm}, B C=4 \mathrm{~cm}\) and right angle is at \(B\). Three charges \(+15 \mu \mathrm{C},+12 \mu \mathrm{C}\) and \(-20 \mu \mathrm{C}\) are placed respectively at \(A, B\) and \(C\). The force acting on the charge at \(B\) is
- A \(1250 \mathrm{~N}\)
- B \(3500 \mathrm{~N}\)
- C \(1200 \mathrm{~N}\)
- D \(2250 \mathrm{~N}\)
Answer & Solution
Correct Answer
(D) \(2250 \mathrm{~N}\)
Step-by-step Solution
Detailed explanation
According to the question, 3 charge particles are placed at the vertices of a right angle triangle \(A B C\) as shown in the figure below, Where, \(\begin{aligned} & Q_A=+15 \mu \mathrm{C}, \\ & Q_B=12 \mu \mathrm{C} \\ & Q_C=-20 \mu \mathrm{C} \end{aligned}\) and…
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