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Class 12 Physics Practice Test: Electric Currents in Conductors
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Class 12 Physics Practice Test: Electric Currents in Conductors
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5 Questions

1. In nature, free charged particles exist in the upper strata of the environment called the stratosphere. State true or false.
2. Identify the type of conductors in which both positive and negative charges can move.
3. To maintain a steady current through the conductor, some external device must do work. What does the external device provide?
4. Identify the type of materials which develop electric currents in them, when an electric field is applied.
5. Which of the following is the most conductive element?

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