A-Level CAIE Physics A2 18.4.1—E = Q / (4πε0 r 2) for the electric field strength due to a point charge in Question Bank
18.4.1—E = Q / (4πε0 r 2) for the electric field strength due to a point charge in
• recall and use E = Q / (4πε0 r 2) for the electric field strength due to a point charge in free space
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