← Part 1 test: electricity basics lesson New set →

Electronics Worksheet: Electricity Basics Test

Electronics lesson 10: Part 1 test: electricity basics · Set 773 · 40 questions
TalentJR

Remember (Find the topic, use the idea): Find the topic: energy, safety, conductor, closed loop, switches, cells, symbols, series or parallel. Use that lesson’s idea — complete loop, all ON for series, cells add up, one path or many. For sums, write the working and check it again.

NameDateTime takenScore ___ / 40
  1. 1.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes near a magnet
  2. 2.🔋 How many 1.5 V cells must be joined in series to give 7.5 V?
  3. 3.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  4. 4.True or false: on a cell, “the flat end” means the + (positive) end. (a) False (b) True
  5. 5.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) one (c) two (d) none
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  7. 7.🔍 Which is the odd one out? (a) a wooden stick (b) an iron nail (c) a dry cork (d) a plastic ruler
  8. 8.True or false: if a wire is cut, the circuit is closed and current flows. (a) False (b) True
  9. 9.🔌 Is an iron nail a conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
  11. 11.True or false: an LED lamp mainly gives out light. (a) True (b) False
  12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) ammeter (c) battery (d) voltmeter
  13. 13.True or false: to keep drinks far away is not safe. (a) False (b) True
  14. 14.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  15. 15.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.🔍 Which is the odd one out? (a) stay away from pylons (b) touch a fallen wire (c) take cells out after use (d) keep drinks far away
  17. 17.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  18. 18.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with V inside (c) a circle with an X in it (d) a circle with M inside
  19. 19.Which drawing is the symbol for a switch? (a) a circle with a cross (b) two equal parallel lines (c) triangle against a bar (d) a line lifted at a gap
  20. 20.💡 6 identical bulbs are in parallel and each bulb has its own switch on its path. 1 of the switches is OFF and the rest are ON. How many bulbs glow?
  21. 21.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  22. 22.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  23. 23.🔍 Which is the odd one out? (a) fly kites in open fields (b) take cells out after use (c) build with an adult near (d) touch a switch when wet
  24. 24.Which drawing is the symbol for a cell? (a) a small empty box (b) a plain rectangle (c) a long and a short line (d) triangle, bar and arrows
  25. 25.True or false: a line lifted at a gap is the symbol for a cell. (a) False (b) True
  26. 26.Which of these uses electricity? (a) a solar panel (b) a power station (c) a wind turbine (d) a mobile phone
  27. 27.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.True or false: a circle with M inside is the symbol for a bulb. (a) True (b) False
  29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) cell (c) resistor (d) junction
  30. 30.True or false: to fly a kite near wires is not safe. (a) True (b) False
  31. 31.🔌 Is a metal paper clip a conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
  33. 33.💡 6 identical bulbs are joined in parallel (each on its own side-by-side path) with a battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. Does bulb 6 glow? (a) No (b) Yes
  34. 34.True or false: to fly a kite near wires is safe. (a) True (b) False
  35. 35.True or false: to take cells out after use is safe. (a) True (b) False
  36. 36.True or false: on a cell, “the shorter symbol line” means the + (positive) end. (a) True (b) False
  37. 37.Which of these is an insulator? (a) a metal paper clip (b) a safety pin (c) a graphite rod (d) a cotton thread
  38. 38.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
  39. 39.True or false: a siren mainly makes sound. (a) False (b) True
  40. 40.Which of these is an insulator? (a) a metal paper clip (b) a wooden stick (c) an iron nail (d) a safety pin

Answer key

  1. flips up or down
  2. 5
  3. electrons
  4. False
  5. one
  6. a toggle switch
  7. an iron nail
  8. False
  9. a conductor
  10. quick and clear for all
  11. True
  12. battery
  13. False
  14. No
  15. 3
  16. touch a fallen wire
  17. False
  18. triangle, bar and arrows
  19. a line lifted at a gap
  20. 5
  21. True
  22. light
  23. touch a switch when wet
  24. a long and a short line
  25. False
  26. a mobile phone
  27. gives electricity
  28. False
  29. cell
  30. True
  31. a conductor
  32. False
  33. Yes
  34. False
  35. True
  36. False
  37. a cotton thread
  38. straight lines
  39. True
  40. a wooden stick

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids