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NUST NET - Practice Test - Physics - Current Electricity - Quiz 5

Practice 10 high yield MCQs on Physics from Chapter Current Electricity for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 5 of the series.

41. If area is doubled, what happens to resistance?



42. What is the relation between conductivity and resistivity?



43. What is the condition for a balanced Wheatstone bridge?



44. Why is a potentiometer accurate?



45. What is the current when a 6 V cell (r=1 Ω) is connected to a 5 Ω resistor?



46. What is the terminal voltage of the cell in the previous question?



47. What is the total current from a 12 V battery across 2 Ω, 3 Ω, 6 Ω in parallel?



48. What is the current through a 100 W bulb on a 220 V supply?



49. What physical laws are Kirchhoff's rules based on?



50. What is EMF?



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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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