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Electric Circuits – Truth Tables

Electric Circuits – Truth Tables. Truth Tables. WALT: Draw a truth table for an electric circuit Starter – can you draw a circuit diagram with 2 cells, a switch and a motor and a bulb that are both in parallel?. Last lesson we learnt……. Current in a parallel circuit ………………….

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Electric Circuits – Truth Tables

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  1. Electric Circuits – Truth Tables

  2. Truth Tables • WALT: Draw a truth table for an electric circuit Starter – can you draw a circuit diagram with 2 cells, a switch and a motor and a bulb that are both in parallel?

  3. Last lesson we learnt…… • Current in a parallel circuit …………………. • Parallel circuits are useful because ………….. • A way in which we can make the current in a series circuit change is………………. Today we will continue to set up parallel circuits and draw a truth table.

  4. Please turn to page 296-297 • Read together the text under “Series or parallel” • Now turn to page 306-307 – Truth Tables • You are going to carry out a couple of activities and write a truth table for a circuit.

  5. Activity 1: Set up these circuits: Copy these diagrams and write down what you’ve observed and an explanation.

  6. Activity 2: Set up the circuit given to you which includes 2 switches in parallel and a buzzer • Draw a truth table for the circuit • Write an explanation of what the truth table tells you When you are finished, draw a symbol for an AND and OR gate. Write a little explanation under each one to tell us when it would be used.

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