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NCAT - Practice Test - Physics - Current Electricity Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Current Electricity | Quiz 1

1. What is meant by steady current?



2. What is the formula for electric current?



3. What is Ohm's law?



4. What is the formula for resistance?



5. What is the formula for resistivity?



6. What is the SI unit of resistivity?



7. What is the relation between conductivity and resistivity?



8. What factors affect the resistance of a wire?



9. How does resistance of a metal change with increase in temperature?



10. How does resistance of a semiconductor change with temperature?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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