Vocabulary Exercises. 1.Find the equivalents to the words 1.To repel 21. Find the equivalents to the words
2. Fill in the blanks with a suitable word. Use the correct form: To repel, to attract, to affect, to increase, to decrease, to depend on, to contain, to vary, to consist of, an excess, a lack. 1. Various factors..... the resistance of a conductor. 2. The resistance of metals …… with a rise in temperature. 3. The resistance of carbon, semiconductors...... as their temperature is raised. 4. How does the resistance of a conductor...... with its length? 5. Objects that are similarly charged... each other; those with unlike charges... each other. 6. All matter....... both positive and negative charges. 7. An ordinary uncharged atom...…the same number of protons and electrons. 8. Resistivity... the material composing the wire and its temperature. 9. The rubber rod becomes negatively charged due to... of electrons and the fur becomes positively charged due to... of electrons.
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