When an earthed conductor is moved towards the negatively charged metal dome, there is a spark between the dome and the earthed conductor. The spark transfers 0.60 J of energy, and 2.0 μC of charge is transferred from the dome to the earthed conductor.

Calculate the potential difference between the metal dome and the earthed conductor. Use the Physics Equations Sheet.

The potential difference (V) is defined as the energy transferred (E) per unit charge (Q). The equation is V = E / Q. Step 1: Identify the given values and convert to SI units. Energy transferred, E = 0.60 J. Charge flow, Q = 2.0 μC. The prefix "μ" (micro) means 10⁻⁶. So, Q = 2.0 × 10⁻⁶ C. Step 2: Substitute the values into the equation. V = E / Q V = 0.60 J / (2.0 × 10⁻⁶ C) Step 3: Calculate the result. V = 300,000 V. This can also be written in standard form as 3.0 × 10⁵ V or as 300 kV.