51. The temperature coefficient of resistivity is negative for
Answer: B. semiconductors
Physics Class 10 Unit 16: Current Electricity MCQs
63 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers". This is page 2 of 2.
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52. The relation between final and initial resistivity is
Answer: C. ρt = ρ₀(1 + αΔT)
53. The resistivity of a metal is 1.7×10-8 Ω m. After a rise of 50 K with α = 0.004 K-1, the new resistivity is
Answer: A. 2.04×10-8 Ω m
54. An ammeter is used to measure
Answer: D. current
55. An ammeter must be connected in
Answer: B. series
56. An ammeter is designed to have
Answer: C. very low resistance
57. The resistance of an ammeter is usually of the order of
Answer: B. 1 Ω
58. A voltmeter is used to measure
Answer: C. potential difference
59. A voltmeter must be connected in
Answer: A. parallel
60. A voltmeter is designed to have
Answer: D. very high resistance
61. The resistance of a voltmeter is usually of the order of
Answer: B. 10 MΩ
62. Ammeters and voltmeters are modified forms of the
Answer: A. galvanometer
63. In the resistance experiment, the resistance is calculated using
Answer: C. R = V/I
About Physics Class 10 Unit 16 MCQs (Federal Board)
These 63 Physics MCQs cover Class 10 Unit 16: Current Electricity of the Federal Board (FBISE) SSC-II (Class 10) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 2 pages of 50. You can also read the Current Electricity notes for this chapter. Download the Current Electricity MCQs as a PDF using the button at the top of this page.