31. You have to replace 1500 ω resistor in radio. You have no 1500 ω resistor but have several 1000 ω ones which you would connect
32. Which of the following materials has a negative temperature coefficient of resistance?
33. Which of the following material has nearly zero temperature coefficient of resistance?
34. Conductance: mho ::
35. The thickness of insulation provided on the conductor depends on
36. All good conductors have high
37. What will be energy used by the battery if the battery has to drive 6.28 x 1018 electrons with potential difference of 20 V across the terminal?
38. Which is the best conductor of electricity?
39. Heat in a conductor is produced on the passage of electric current due to
40. Resistance of carbon filament lamp as the applied voltage increases.
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