F2 Science Electricity Exercise Top May 2026

(2 marks) Explain why birds can safely sit on a high-voltage power line without being electrocuted.

Circle the best answer.

: Feature multiple branches; if one path is broken, others remain functional. Voltage remains the same across all parallel branches. 2. Ohm's Law and Mathematical Relationships f2 science electricity exercise top

| Feature | Series Circuit 🔗 | Parallel Circuit 🔀 | | :--- | :--- | :--- | | | Only one path for the current to flow. | More than one path for the current to flow. | | If one bulb blows? | The circuit breaks; all other bulbs go off. | The other bulbs stay lit. | | Current (I) | Same throughout ($I_total = I_1 = I_2$). | Splits up ($I_total = I_1 + I_2$). | | Voltage (V) | Splits up ($V_total = V_1 + V_2$). | Same across each branch ($V_total = V_1 = V_2$). | | Resistance (R) | Increases (Adds up). | Decreases (More paths = easier flow). | (2 marks) Explain why birds can safely sit

Which of the following is the correct unit for electric current? A) Volt B) Ohm C) Ampere D) Watt Voltage remains the same across all parallel branches