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10th Class Science Electricity and Circuits Question Bank 10th CBSE Science Electricity

  • question_answer
      Draw the symbol of (a) plug key open             (b) plug key closed. What does each situation mean?

    Answer:

                      (a) ???()???          (b) ???(?)???                          When plug key is open, no current flows through the circuit and when plug key is closed, current flows through the circuit.     (1)


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