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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 886 · 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: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False
  2. 2.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
  3. 3.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) a circle with V inside (c) triangle, bar and arrows (d) two equal parallel lines
  4. 4.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) junction (c) motor (d) capacitor
  5. 5.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a long and a short line (c) a line lifted at a gap (d) two equal parallel lines
  6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
  7. 7.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
  8. 8.Which drawing is the symbol for a wire? (a) a straight line (b) two equal parallel lines (c) triangle, bar and arrows (d) two or more cell symbols
  9. 9.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) wire (c) junction (d) capacitor
  10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) capacitor (c) battery (d) cell
  11. 11.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
  12. 12.True or false: a circle with V inside is the symbol for a bulb. (a) False (b) True
  13. 13.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
  14. 14.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) resistor (c) LED (d) motor
  15. 15.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
  16. 16.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a circle with A inside (c) a circle with a cross (d) a dot where wires meet
  17. 17.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) motor (c) voltmeter (d) resistor
  18. 18.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) wire (c) motor (d) battery
  19. 19.True or false: two equal parallel lines is the symbol for a cell. (a) True (b) False
  20. 20.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) motor (c) cell (d) diode
  21. 21.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
  22. 22.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit
  23. 23.True or false: a straight line is the symbol for a cell. (a) True (b) False
  24. 24.True or false: a circle with M inside is the symbol for an ammeter. (a) True (b) False
  25. 25.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
  26. 26.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) bulb (c) LED (d) battery
  27. 27.True or false: a straight line is the symbol for a wire. (a) True (b) False
  28. 28.True or false: a line lifted at a gap is the symbol for a wire. (a) False (b) True
  29. 29.True or false: one tall, one short bar is the symbol for a junction. (a) False (b) True
  30. 30.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) voltmeter (c) ammeter (d) wire
  31. 31.Which drawing is the symbol for a motor? (a) a long and a short line (b) a plain rectangle (c) a circle with V inside (d) a circle with M inside
  32. 32.True or false: two or more cell symbols is the symbol for a motor. (a) True (b) False
  33. 33.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) voltmeter (c) bulb (d) junction
  34. 34.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) capacitor (b) switch (c) wire (d) junction
  35. 35.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) a circle with V inside (c) a line lifted at a gap (d) triangle, bar and arrows
  36. 36.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a straight line (c) a circle with an X in it (d) a dot where wires meet
  37. 37.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
  38. 38.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
  39. 39.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a straight line (c) a line lifted at a gap (d) one tall, one short bar
  40. 40.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False

Answer key

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

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