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Physics - Electrostatics Question with Solution | TestHub

PhysicsElectrostaticsElectric Field & ForceEasy2 minPYQ_2024

PhysicsEasysingle choice

Three charges, each of $+ 4 μ C$ , are placed at the corners $A, B, C$ of a square $A BC D$ of side 1 m . What is the magnitude (in $NC^{- 1}$ ) of electric field at point $O$ towards point $D ?$

Options:

Answer:

Solution:

$E_{A}$ cancels $E_{C}$ . At $O; E_{B} = \frac{1}{4 π ε _{0}} \frac{q}{( \frac{d}{2} ) ^{2}} = \frac{1}{4 π ε _{0}} \frac{2 q}{d ^{2}} = \frac{9 \times 1 0 ^{9} \times 2 \times 4 \times 1 0 ^{- 6}}{1 ^{2}} = 72 \times 1 0^{4} N / C, towards D = 72000 N / C$

Stream:VITEEESubject:PhysicsTopic:ElectrostaticsSubtopic:Electric Field & Force

⏱ 2mℹ️ Source: PYQ_2024

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