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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 933 · 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 line lifted at a gap is the symbol for a cell. (a) False (b) True
  2. 2.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) capacitor (c) switch (d) bulb
  3. 3.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) voltmeter (c) motor (d) resistor
  4. 4.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
  5. 5.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
  6. 6.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) bulb (c) ammeter (d) battery
  7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
  8. 8.True or false: a long and a short line is the symbol for a resistor. (a) False (b) True
  9. 9.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) triangle against a bar (c) a long and a short line (d) triangle, bar and arrows
  10. 10.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) LED (c) cell (d) bulb
  11. 11.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
  12. 12.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a dot where wires meet (c) two or more cell symbols (d) a circle with a cross
  13. 13.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
  14. 14.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) junction (c) resistor (d) ammeter
  15. 15.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a straight line (c) one tall, one short bar (d) a small empty box
  16. 16.Which drawing is the symbol for a switch? (a) a long and a short line (b) a circle with an X in it (c) a line lifted at a gap (d) a circle with a cross
  17. 17.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) voltmeter (c) cell (d) switch
  18. 18.True or false: a circle with an X in it is the symbol for a switch. (a) False (b) True
  19. 19.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) wire (c) bulb (d) switch
  20. 20.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
  21. 21.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) motor (c) battery (d) ammeter
  22. 22.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) resistor (c) motor (d) junction
  23. 23.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) resistor (c) battery (d) diode
  24. 24.True or false: one tall, one short bar is the symbol for a bulb. (a) False (b) True
  25. 25.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
  26. 26.True or false: triangle against a bar is the symbol for a capacitor. (a) True (b) False
  27. 27.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) two equal parallel lines (c) triangle, bar and arrows (d) a plain rectangle
  28. 28.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a circle with M inside (c) a circle with A inside (d) a plain rectangle
  29. 29.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
  30. 30.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a line lifted at a gap (c) one tall, one short bar (d) two or more cell symbols
  31. 31.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
  32. 32.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with V inside (c) a line lifted at a gap (d) a circle with a cross
  33. 33.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
  34. 34.True or false: a line lifted at a gap is the symbol for a resistor. (a) False (b) True
  35. 35.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
  36. 36.True or false: a circle with M inside is the symbol for a wire. (a) True (b) False
  37. 37.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with an X in it (c) two equal parallel lines (d) many long-short pairs
  38. 38.True or false: two equal parallel lines is the symbol for a motor. (a) False (b) True
  39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) battery (c) diode (d) motor
  40. 40.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True

Answer key

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

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