A student wants to build a circuit with 4 light bulbs and one bell. The student wants place a switch in the circuit so only one light will still be on and bell will still ring when switch is opened. Which of theses circuits should the student build?
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To ensure that only one light bulb stays on and the bell still rings when the switch is opened, the student should build a circuit using a parallel circuit configuration.
Here is a step-by-step guide to building the circuit:
1. Gather the materials: 4 light bulbs, 1 bell, 1 switch, wires, and a power source (such as a battery or power supply).
2. Start by connecting the positive terminal of the power source to one terminal of the switch.
3. Connect the other terminal of the switch to the positive terminal of the bell.
4. Now, connect one terminal of each light bulb to the positive terminal of the bell.
5. Connect the negative terminal of the bell to the negative terminal of the power source.
6. Finally, connect the remaining terminal of each light bulb to the negative terminal of the power source.
With this setup, when the switch is closed, all the light bulbs and the bell will be connected to the power source in parallel. However, when the switch is opened, only one light bulb and the bell will still be connected in the circuit, allowing them to remain on while the other light bulbs turn off.
To determine which circuit the student should build, let's first understand the requirements. The student wants to have 4 light bulbs and one bell in the circuit. They also want to place a switch in the circuit so that when the switch is opened, only one light bulb and the bell should remain on.
To achieve this, we need to analyze the options and see which one meets the requirements.
Option 1: (Switch) -----(Light bulb) ------(Light bulb) ------(Light bulb) ------(Light bulb) ------(Bell)
Option 2: (Switch) -----(Light bulb) -----(Light bulb) -----(Light bulb) -----(Bell)
Option 3: (Switch) -----(Light bulb) ------(Light bulb) ------(Bell) ----- (Light bulb)
Option 4: (Switch) -----(Bell) -----(Light bulb) -----(Light bulb) ------ (Light bulb) ------(Light bulb)
Now, let's go through each option and determine if it meets the requirements.
Option 1: If the switch is opened, all the light bulbs and the bell will remain on, not meeting the requirement of having only one light bulb and the bell still on.
Option 2: If the switch is opened, all the light bulbs will turn off, and only the bell will remain on, meeting the requirement.
Option 3: If the switch is opened, one light bulb and the bell will remain on, meeting the requirement.
Option 4: If the switch is opened, the bell and three light bulbs will remain on, not meeting the requirement of having only one light bulb and the bell still on.
Based on the analysis, the student should build either option 2 or option 3. Both circuits will have one light bulb and the bell remaining on when the switch is opened.