← Circuit symbols lesson New set →

Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 749 · 40 questions
TalentJR

Remember (Shape tells the part): Cell: long and short line (long = +). Battery: two or more cells. Wire: straight line. Junction: a dot. Bulb: circle with a cross. Switch: line lifted at a gap. Resistor: rectangle. Capacitor: two equal parallel lines. Diode: triangle against a bar; LED: the same with two arrows out. Circle with M = motor, A = ammeter, V = voltmeter.

NameDateTime takenScore ___ / 40
  1. 1.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a line lifted at a gap (c) a long and a short line (d) triangle against a bar
  2. 2.Which drawing is the symbol for a switch? (a) a straight line (b) two equal parallel lines (c) a line lifted at a gap (d) a circle with a cross
  3. 3.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
  4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) resistor (b) capacitor (c) switch (d) LED
  5. 5.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) cell (c) switch (d) resistor
  6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
  7. 7.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
  8. 8.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) voltmeter (c) resistor (d) LED
  9. 9.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
  10. 10.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) diode (c) ammeter (d) resistor
  11. 11.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
  12. 12.Which drawing is the symbol for an LED? (a) a plain rectangle (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with A inside
  13. 13.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True
  14. 14.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) wire (c) diode (d) voltmeter
  15. 15.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) triangle, bar and arrows (c) two equal parallel lines (d) a circle with M inside
  16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) diode (c) voltmeter (d) junction
  17. 17.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) switch (d) capacitor
  18. 18.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
  19. 19.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
  20. 20.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
  21. 21.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle against a bar (c) a long and a short line (d) a small empty box
  22. 22.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) diode (c) ammeter (d) cell
  23. 23.True or false: a dot where wires meet is the symbol for an ammeter. (a) False (b) True
  24. 24.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) one tall, one short bar (c) a circle with an X in it (d) a long and a short line
  25. 25.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) motor (c) cell (d) wire
  26. 26.True or false: a straight line is the symbol for a wire. (a) True (b) False
  27. 27.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with V inside (c) one tall, one short bar (d) triangle against a bar
  28. 28.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
  29. 29.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a plain rectangle (c) a circle with a cross (d) a long and a short line
  30. 30.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a line lifted at a gap (c) a straight line (d) a circle with an X in it
  31. 31.True or false: a plain rectangle is the symbol for a capacitor. (a) True (b) False
  32. 32.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
  33. 33.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) triangle, bar and arrows (c) a plain rectangle (d) a straight line
  34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) LED (d) cell
  35. 35.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
  36. 36.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
  37. 37.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
  38. 38.True or false: a straight line is the symbol for a switch. (a) True (b) False
  39. 39.True or false: a circle with M inside is the symbol for an LED. (a) True (b) False
  40. 40.True or false: a circle with a cross is the symbol for an ammeter. (a) True (b) False

Answer key

  1. a long and a short line
  2. a line lifted at a gap
  3. True
  4. switch
  5. cell
  6. straight lines
  7. True
  8. junction
  9. the longer line
  10. resistor
  11. True
  12. triangle, bar and arrows
  13. False
  14. bulb
  15. two equal parallel lines
  16. voltmeter
  17. wire
  18. False
  19. True
  20. False
  21. a circle with M inside
  22. ammeter
  23. False
  24. a circle with A inside
  25. LED
  26. True
  27. one tall, one short bar
  28. quick and clear for all
  29. two or more cell symbols
  30. a circle with an X in it
  31. False
  32. True
  33. a straight line
  34. diode
  35. True
  36. True
  37. True
  38. False
  39. False
  40. False

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