Use with textbook poges 221-223 Use the text below to answer the questions that follow it. Your teacher has set up an electrical circuit in the classroom. A cloth has been all the components except for the loads.four light bulbs, each of a different colaid over result, it is impossible to see how the circuit has been set up. Your teacher challenges you to draw a circuit diagram of the circuit.To help you determine how the circuit has been designed, your teacher performs the following tests. Test A Your teacher turns off the red light bulb.The blue light bulb turns off as well.The green and yellow light bulbs remain on. Test B teacher unscrews the green light bulb that remained on in test A. The yellow bulb immediately turns off.The other light bulbs remain on. 1. Draw a possible circuit diagram for the circuit. Label the light bulbs by colour.

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Use with textbook poges 221-223 Use the text below to answer the questions that follow it. Your teacher has set up an electrical circuit in the classroom. A cloth has been all the components except for the loads.four light bulbs, each of a different colaid over result, it is impossible to see how the circuit has been set up. Your teacher challenges you to draw a circuit diagram of the circuit.To help you determine how the circuit has been designed, your teacher performs the following tests. Test A Your teacher turns off the red light bulb.The blue light bulb turns off as well.The green and yellow light bulbs remain on. Test B teacher unscrews the green light bulb that remained on in test A. The yellow bulb immediately turns off.The other light bulbs remain on. 1. Draw a possible circuit diagram for the circuit. Label the light bulbs by colour.

Answer 1

Here's a possible circuit diagram based on the test results:**Understanding the Tests:*** **Test A:** The red and blue bulbs turning off together when the red is switched off indicates they are in series with each other. Since the green and yellow stay on, they must be on a separate branch of the circuit.* **Test B:** The yellow bulb turning off when the green bulb is removed indicates they are in series with each other. The fact that the other bulbs (red and blue, assuming the red switch is now back on) remain lit confirms the green/yellow series is on a separate branch from the red/blue series.**The Circuit Diagram:**The circuit is a parallel circuit with two branches. Each branch contains two bulbs in series.``` +---[Battery]---+ | | | +---[Red Bulb]---[Blue Bulb]---+ | | | | +---[Green Bulb]---[Yellow Bulb]---+ | | +--------------+ ```**Explanation:*** The battery provides the power for the entire circuit.* The parallel branches allow current to flow through either the red/blue path or the green/yellow path, or both simultaneously.* In each branch, the bulbs are in series, meaning the current must flow through one bulb to reach the other. If one bulb in a series goes out (either by being switched off or unscrewed), the other bulb in that series will also go out because the current flow is interrupted.This diagram satisfies both test conditions. There might be other technically correct arrangements (e.g., swapping the order of the red and blue, or the green and yellow), but the core principle of two parallel branches each with two bulbs in series remains the same.

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