← Part 1 test: electricity basics lesson New set →

Electronics Worksheet: Electricity Basics Test

Electronics lesson 10: Part 1 test: electricity basics · Set 939 · 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 do we call a circuit with a break in it? (a) a series circuit (b) an open circuit (c) a full circuit (d) a closed circuit
  2. 2.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  3. 3.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  4. 4.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  5. 5.Which of these is safe? (a) touch a switch when wet (b) build with an adult near (c) use mains for a project (d) climb an electric pole
  6. 6.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.Which of these uses electricity? (a) a wind turbine (b) a washing machine (c) a power station (d) a generator
  8. 8.🔋 A 6 V battery and two 1.5 V cells are joined in series, all facing the same way. What is the total voltage (in volts)? =
  9. 9.🔌 Is a metal paper clip a conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.True or false: to dry your hands first is safe. (a) True (b) False
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  12. 12.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.💡 In a parallel circuit, one bulb breaks. What happens to the others? (a) they all go out (b) they get dimmer (c) they keep glowing (d) they explode
  14. 14.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  15. 15.🔋 On a cell, does “the longer symbol line” mean the + end or the − end? (a) − (negative) (b) + (positive)
  16. 16.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  20. 20.True or false: a long and a short line is the symbol for a junction. (a) True (b) False
  21. 21.Which of these is true of a parallel circuit? (a) bulbs share the voltage (b) a break stops every bulb (c) a single current path (d) one out, the rest glow
  22. 22.Which of these is true of a series circuit? (a) each gets the full volts (b) one out, the rest glow (c) own switch for each bulb (d) a single current path
  23. 23.🔁 Is the circuit closed or open if all wires are joined? (a) open (b) closed
  24. 24.🔦 A circuit has a new cell, a good bulb and a switch that is ON. All the wires are firmly joined. Does the bulb glow? (a) No (b) Yes
  25. 25.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
  26. 26.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.🔌 Most metals are good … (a) batteries (b) magnets only (c) insulators (d) conductors
  29. 29.🔍 Which is the odd one out? (a) a safety pin (b) a wooden stick (c) a brass key (d) an iron nail
  30. 30.Which of these uses electricity? (a) a wind turbine (b) an air conditioner (c) a battery (d) a bicycle dynamo
  31. 31.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
  32. 32.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  33. 33.True or false: to fly kites in open fields is safe. (a) True (b) False
  34. 34.Which of these means the circuit is open? (a) the switch is ON (b) the loop is complete (c) a cell is taken out (d) all wires are joined
  35. 35.True or false: a reed switch stays where you flip it. (a) False (b) True
  36. 36.Which of these mainly gives out light? (a) a rice cooker (b) a siren (c) a street light (d) a buzzer
  37. 37.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  38. 38.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  39. 39.🔋 4 identical 3 V cells are joined side by side in parallel (all + ends together, all − ends together). What is the voltage across them (in volts)? =
  40. 40.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. an open circuit
  2. heat
  3. a tilt switch
  4. No
  5. build with an adult near
  6. 1
  7. a washing machine
  8. 9
  9. a conductor
  10. True
  11. a toggle switch
  12. uses electricity
  13. they keep glowing
  14. parallel
  15. + (positive)
  16. gives electricity
  17. gives electricity
  18. 2.5
  19. True
  20. False
  21. one out, the rest glow
  22. a single current path
  23. closed
  24. Yes
  25. the longer line
  26. gives electricity
  27. uses electricity
  28. conductors
  29. a wooden stick
  30. an air conditioner
  31. quick and clear for all
  32. False
  33. True
  34. a cell is taken out
  35. False
  36. a street light
  37. True
  38. True
  39. 3
  40. gives electricity

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