Printable worksheet ยท 4 of 4
Open the path or close it - Paper 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Simple series lamp model: switch closed; secure contacts throughout the full loop. Assume working matched low-voltage cell/lamp. Open means a gap at the switch; closed means that switch connection is joined. A gap elsewhere still breaks the loop. Discuss on paper; adults supervise approved low-voltage kits and disconnect between changes. Never use household switches or mains wiring.
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