← Part 1 test: electricity basics lesson New set →

Electronics Worksheet: Electricity Basics Test

Electronics lesson 10: Part 1 test: electricity basics · Set 333 · 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.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  2. 2.🔋 3 identical 1.5 V cells are joined side by side in parallel (all + ends together, all − ends together). What is the voltage across them (in volts)? =
  3. 3.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  4. 4.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) diode (c) voltmeter (d) battery
  5. 5.True or false: a wooden stick is a conductor. (a) True (b) False
  6. 6.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) a mains extension board (c) an inverter socket (d) a small battery pack
  7. 7.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
  9. 9.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  10. 10.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
  11. 11.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
  13. 13.What does a tilt switch do? (a) flips up or down (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  14. 14.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  15. 15.Which of these mainly gives out heat? (a) a toaster (b) a night lamp (c) a doorbell (d) a street light
  16. 16.Which of these uses electricity? (a) a power station (b) a washing machine (c) a bicycle dynamo (d) a cell
  17. 17.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) none (d) one
  18. 18.🔍 Which is the odd one out? (a) a safety pin (b) a metal paper clip (c) aluminium foil (d) a wooden stick
  19. 19.True or false: to dry your hands first is safe. (a) False (b) True
  20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) bulb (c) capacitor (d) cell
  21. 21.True or false: on a cell, “the longer symbol line” means the − (negative) end. (a) False (b) True
  22. 22.🔦 A circuit has a new cell, a bulb with a broken filament and a switch that is ON. All the wires are firmly joined. A gap in one wire is bridged by aluminium foil. Does the bulb glow? (a) Yes (b) No
  23. 23.🔦 A circuit has a new cell, a good bulb and a switch that is ON. All the wires are firmly joined. A gap in one wire is bridged by a woollen thread. Does the bulb glow? (a) No (b) Yes
  24. 24.🔋 2 identical 1.2 V cells are joined in series (+ of one cell to − of the next). What is the total voltage (in volts)? =
  25. 25.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 9 V (c) 12 V (d) 230 V
  26. 26.What does a push button do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) flips up or down
  27. 27.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  28. 28.🔋 4 identical 3 V cells are joined in series (+ of one cell to − of the next). What is the total voltage (in volts)? =
  29. 29.🔋 How many 3 V cells must be joined in series to give 9 V?
  30. 30.⚡ What does a buzzer mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  31. 31.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
  32. 32.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  34. 34.True or false: a street light mainly gives out light. (a) False (b) True
  35. 35.🔋 How many 3 V cells must be joined in series to give 21 V?
  36. 36.True or false: a toggle switch flips up or down. (a) True (b) False
  37. 37.🔋 6 identical 3 V cells are joined in series (+ of one cell to − of the next). What is the total voltage (in volts)? =
  38. 38.True or false: a tilt switch closes when tipped over. (a) True (b) False
  39. 39.🔦 A circuit has a new cell, a good bulb and a switch that is ON. All the wires are firmly joined. A gap in one wire is bridged by a glass marble. Does the bulb glow? (a) Yes (b) No
  40. 40.⚠️ Why must we never touch switches with wet hands? (a) water makes it cold (b) it spoils the paint (c) water carries current (d) it is just untidy

Answer key

  1. parallel
  2. 1.5
  3. a toggle switch
  4. bulb
  5. False
  6. a small battery pack
  7. Yes
  8. False
  9. a push button
  10. True
  11. a push button
  12. straight lines
  13. closes when tipped over
  14. series
  15. a toaster
  16. a washing machine
  17. one
  18. a wooden stick
  19. True
  20. battery
  21. False
  22. No
  23. No
  24. 2.4
  25. 230 V
  26. works only while pressed
  27. parallel
  28. 12
  29. 3
  30. sound
  31. True
  32. uses electricity
  33. closed
  34. True
  35. 7
  36. True
  37. 18
  38. True
  39. No
  40. water carries current

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