Gce Model Questions Vol1 2020 Physics Question 37

Practice objective / multiple choice question 37 from the 2020 Gce Model Questions Vol1 Physics examination.

Gce Model Questions Vol1 2020 Physics Objective / Multiple Choice Hard Difficulty
Question 37 GCE_MODEL_QUESTIONS_VOL1 • 2020 • PHYSICS • objective

Two point charges are placed on the \(y\)-axis: a charge \(+Q\) at the origin and a charge \(-2Q\) at \((0, a)\). A third charge \(+q\) is positioned on the \(x\)-axis at \((x, 0)\) with \(x>0\). The resultant electric force on \(+q\) is directed at an angle of \(30^{\circ}\) above the positive \(x\)-axis. Express \(x\) in terms of \(a\).

Answer Options

A. x = 2a/\sqrt{3}
B. x = a/\sqrt{2}
Correct Answer C. x = a/\sqrt{3}
D. x = a/\sqrt{5}
Correct Answer
C
Correct Option:
x = a/\sqrt{3}

About This Question

This is Gce Model Questions Vol1 2020 Physics Question 37. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Physics examination.

Difficulty level: Hard .

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