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A Level Physics Revision MCQ: Resistance and Resistivity

 

Question 1 of 17

1. In semiconductors upon increasing temperature, conductivity
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Question 2 of 17

2. In NTC thermistor on increasing temperature, the resistance
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Question 3 of 17

3. Threshold voltage at which LED emits light is
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Question 3 of 17

Question 4 of 17

4. Resistivity is measured in
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Question 5 of 17

5. A rectifier converts
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Question 5 of 17

Question 6 of 17

6. At threshold voltage, resistance of diode
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Question 7 of 17

7. A component that allows unidirectional current to pass through it is
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Question 8 of 17

8. Resistance of metal is affected by
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Question 8 of 17

Question 9 of 17

9. Component which obeys ohm's law is called
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Question 9 of 17

Question 10 of 17

10. Resistance of a particular wire depends upon
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Question 10 of 17

Question 11 of 17

11. At constant temperature, resistance and cross-sectional area are
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Question 12 of 17

12. If current and potential difference are directly related then object follows
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Question 12 of 17

Question 13 of 17

13. If the connections across the resistor are reversed, then graph between current and potential difference is
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Question 13 of 17

Question 14 of 17

14. Resistivity of lead is
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Question 15 of 17

15. A filament lamp is
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Question 16 of 17

16. In case of filament lamp at higher voltages, the resistance of lamp
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Question 16 of 17

Question 17 of 17

17. Current and voltage are
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Question 17 of 17


 

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