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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 760 · 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.

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

Answer key

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

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