Current Electricity

Physics, SSC-KPK Class 10. This chapter is split into 69 topics and has 1,768 practice questions. The topics covered are listed below, followed by 10 free sample questions from the chapter.

Topics in this chapter

1. Finding the voltage, current or time from the energy used 30 questions
2. Electrical energy and Joule's law 23 questions
3. Current and resistance of household appliances from their ratings 28 questions
4. Conductors and insulators 20 questions
5. Cells in series and battery capacity 28 questions
6. Unit 14 key points and learning outcomes 24 questions
7. Series-parallel resistor networks (parallel pair in series with a third) 28 questions
8. Heat produced by a current in a resistor 30 questions
9. Three or more resistors in parallel 28 questions
10. Unit 14 exercise multiple choice questions 20 questions
11. Finding an unknown resistor in a parallel circuit 20 questions
12. Emf, work and charge 30 questions
13. Power dissipated in a resistor using current and resistance 30 questions
14. Total current in a parallel circuit 28 questions
15. Electrical energy from current, voltage and time 30 questions
16. Electrical power and the watt 23 questions
17. Kilowatt-hour and the cost of electricity 21 questions
18. Three or more resistors in series 28 questions
19. Current in a series circuit 28 questions
20. Cost of electricity for several appliances 28 questions
21. Finding an unknown resistor in a series circuit 20 questions
22. Load on a house circuit and fuse capacity 28 questions
23. Resistance and wire diameter, cutting and rejoining wires 28 questions
24. Electrical resistance and the ohm 21 questions
25. Factors affecting the resistance of a conductor 26 questions
26. Two resistors in parallel 30 questions
27. Ohm's law with currents in milliamperes 26 questions
28. Potential difference and emf 23 questions
29. Energy dissipated in a resistor from voltage and resistance 30 questions
30. Parallel combination of resistors - theory 21 questions
31. Circuit components and their symbols 25 questions
32. Ohm's law: changes of voltage and current 28 questions
33. Cost of electricity for one appliance 30 questions
34. Direct current and alternating current 23 questions
35. Branch currents in a parallel circuit 28 questions
36. Resistance of wires of different length and area 28 questions
37. Identical resistors in series, parallel and mixed groups 28 questions
38. Counting electrons in a current 24 questions
39. Finding the current from charge and time 28 questions
40. Finding the charge from current and time 28 questions
41. Ohm's law: finding the current 28 questions
42. Least and greatest resistance from a set of resistors 20 questions
43. Unit 14 conceptual and comprehensive questions 21 questions
44. Finding the time from charge and current 24 questions
45. Two resistors in series 28 questions
46. Converting between kilowatt-hour, joule and time 30 questions
47. Electric power from current and voltage 30 questions
48. Electrical measuring instruments 22 questions
49. I-V characteristics of ohmic and non-ohmic conductors 23 questions
50. Light bulbs in series and parallel circuits 22 questions
51. Ohm's law and its limitations 22 questions
52. Dangers of electricity - electric shock 25 questions
53. Ohm's law: finding the voltage 28 questions
54. Ohm's law: finding the resistance 28 questions
55. Power dissipated in a resistor using voltage and resistance 30 questions
56. Body current from voltage and skin resistance 30 questions
57. Light output and heat of bulbs 24 questions
58. Electric current and its unit 23 questions
59. Series combination of resistors - theory 21 questions
60. Potential difference across a resistor in series 28 questions
61. Fire risks and avoiding electric shock 20 questions
62. Energy in kilowatt-hours consumed by appliances 30 questions
63. Time needed to supply a given amount of energy 22 questions
64. Parallel-series resistor networks (series pair in parallel with a third) 28 questions
65. Fuses, circuit breakers and earthing 23 questions
66. Typical current values (Table 14.1) 20 questions
67. House circuits and domestic wiring 24 questions
68. Conventional current and electron flow 20 questions
69. Current in series-parallel networks 26 questions