F2 Science Electricity Exercise Site

Which of the following is a good conductor of electricity? A) Rubber B) Plastic C) Copper D) Wood

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In a series circuit with two bulbs, if one bulb blows, the other bulb will: A) Glow brighter B) Stay the same C) Turn off D) Blink Which of the following is a good conductor of electricity

1-B, 2-C, 3-C, 4-B 🔧 Section B: Circuit Diagram Analysis Study the circuit below (imagine two bulbs, B1 and B2, connected in parallel to a 6V battery, with a switch controlling only B2). Drop a comment below

a) What happens to B1 when you close the switch for B2? b) If B2 blows, will B1 still light up? c) What is the voltage across B1?

Calculate the voltage if a current of 2A flows through a resistance of 5Ω. A) 2.5V B) 10V C) 0.4V D) 7V