Potential difference

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Across
  1. 4. Answer to Question 1
  2. 6. Answer to Question 6
  3. 7. Answer to Question 4
Down
  1. 1. Answer to Question 2
  2. 2. Answer to Question 7
  3. 3. Answer to Question 5
  4. 5. Answer to Question 3
  5. 6. Answer to Question 8