<b>Given:</b><br>• Initial charge on sphere = -6 µC = -6 × 10⁻⁶ C<br>• Number of electrons removed n = 5 × 10¹²<br>• Charge of one electron e = 1.6 × 10⁻¹⁹ C<br><br><b>Step 1: Calculate charge change due to electron removal</b><br>When electrons are removed, the body becomes <b>more positive</b>.<br><br>Magnitude of positive charge added:<br>|Δq| = n × e<br>|Δq| = 5 × 10¹² × 1.6 × 10⁻¹⁹<br>|Δq| = 8 × 10⁻⁷ C<br>|Δq| = +0.8 µC<br><br><b>Step 2: Calculate net charge</b><br>Net charge = Initial charge + Positive charge added<br>Net charge = (-6 µC) + (+0.8 µC)<br><b>Net charge = -5.2 µC</b><br><br><b>Answer:</b> The net charge on the sphere = <b>-5.2 µC</b>