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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 924 · 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.Which drawing is the symbol for a junction? (a) triangle against a bar (b) two or more cell symbols (c) a dot where wires meet (d) a circle with an X in it
  2. 2.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
  3. 3.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) a line lifted at a gap (c) triangle against a bar (d) many long-short pairs
  4. 4.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) many long-short pairs (d) triangle, bar and arrows
  5. 5.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
  6. 6.True or false: many long-short pairs is the symbol for a motor. (a) False (b) True
  7. 7.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a circle with V inside (c) a circle with A inside (d) triangle, bar and arrows
  8. 8.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) resistor (c) wire (d) capacitor
  9. 9.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a line lifted at a gap (c) a plain rectangle (d) triangle against a bar
  10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
  11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) switch (c) wire (d) battery
  12. 12.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) resistor (c) ammeter (d) motor
  13. 13.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) ammeter (c) motor (d) cell
  14. 14.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
  15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) resistor (b) bulb (c) switch (d) motor
  16. 16.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) battery (c) motor (d) resistor
  17. 17.Which drawing is the symbol for a resistor? (a) a long and a short line (b) triangle, bar and arrows (c) a circle with an X in it (d) a plain rectangle
  18. 18.True or false: a long and a short line is the symbol for a resistor. (a) False (b) True
  19. 19.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
  20. 20.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) battery (c) diode (d) cell
  21. 21.True or false: many long-short pairs is the symbol for a wire. (a) False (b) True
  22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) cell (c) bulb (d) motor
  23. 23.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
  24. 24.Which drawing is the symbol for a battery? (a) a straight line (b) two equal parallel lines (c) a circle with a cross (d) many long-short pairs
  25. 25.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
  26. 26.True or false: a circle with V inside is the symbol for a motor. (a) True (b) False
  27. 27.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
  28. 28.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) bulb (c) motor (d) resistor
  29. 29.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
  30. 30.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
  31. 31.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) battery (c) resistor (d) switch
  32. 32.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
  33. 33.True or false: a line lifted at a gap is the symbol for a diode. (a) False (b) True
  34. 34.True or false: a straight line is the symbol for a wire. (a) False (b) True
  35. 35.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) ammeter (c) diode (d) voltmeter
  36. 36.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) voltmeter (c) cell (d) junction
  37. 37.True or false: two equal parallel lines is the symbol for a voltmeter. (a) False (b) True
  38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) diode (c) wire (d) battery
  39. 39.True or false: a straight line is the symbol for a voltmeter. (a) False (b) True
  40. 40.True or false: triangle, bar and arrows is the symbol for a switch. (a) False (b) True

Answer key

  1. a dot where wires meet
  2. the longer line
  3. triangle against a bar
  4. a circle with V inside
  5. True
  6. False
  7. a circle with A inside
  8. wire
  9. a line lifted at a gap
  10. straight lines
  11. voltmeter
  12. resistor
  13. ammeter
  14. quick and clear for all
  15. bulb
  16. motor
  17. a plain rectangle
  18. False
  19. False
  20. battery
  21. False
  22. cell
  23. True
  24. many long-short pairs
  25. True
  26. False
  27. True
  28. resistor
  29. True
  30. False
  31. battery
  32. True
  33. False
  34. True
  35. diode
  36. junction
  37. False
  38. cell
  39. False
  40. False

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