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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 472 · 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 resistor? (a) two or more cell symbols (b) a line lifted at a gap (c) a plain rectangle (d) triangle against a bar
  2. 2.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) wire (c) ammeter (d) motor
  3. 3.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
  4. 4.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
  5. 5.Which drawing is the symbol for a junction? (a) a straight line (b) a dot where wires meet (c) a circle with a cross (d) a circle with an X in it
  6. 6.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
  7. 7.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
  8. 8.True or false: a straight line is the symbol for a bulb. (a) True (b) False
  9. 9.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) capacitor (c) ammeter (d) diode
  10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) switch (c) cell (d) voltmeter
  11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) cell (c) bulb (d) resistor
  12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) battery (c) ammeter (d) voltmeter
  13. 13.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) triangle, bar and arrows (d) many long-short pairs
  14. 14.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
  15. 15.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a line lifted at a gap (c) many long-short pairs (d) two or more cell symbols
  16. 16.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) resistor (c) switch (d) diode
  17. 17.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) a circle with M inside (c) one tall, one short bar (d) a line lifted at a gap
  18. 18.True or false: one tall, one short bar is the symbol for a switch. (a) False (b) True
  19. 19.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) motor (c) diode (d) bulb
  20. 20.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) a circle with M inside (c) one tall, one short bar (d) triangle against a bar
  21. 21.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) diode (c) junction (d) bulb
  22. 22.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
  23. 23.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) bulb (c) LED (d) diode
  24. 24.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
  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 long and a short line is the symbol for a cell. (a) True (b) False
  27. 27.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
  28. 28.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) resistor (c) wire (d) capacitor
  29. 29.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) two equal parallel lines (c) a circle with an X in it (d) a plain rectangle
  30. 30.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
  31. 31.True or false: a circle with V inside is the symbol for a resistor. (a) False (b) True
  32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) wire (c) battery (d) cell
  33. 33.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) straight lines (d) wavy lines
  34. 34.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) battery (c) switch (d) voltmeter
  35. 35.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) LED (c) diode (d) switch
  36. 36.True or false: triangle against a bar is the symbol for a bulb. (a) False (b) True
  37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
  38. 38.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
  39. 39.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
  40. 40.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) motor (c) resistor (d) switch

Answer key

  1. a plain rectangle
  2. cell
  3. the longer line
  4. False
  5. a dot where wires meet
  6. quick and clear for all
  7. True
  8. False
  9. capacitor
  10. wire
  11. bulb
  12. battery
  13. two equal parallel lines
  14. True
  15. a circle with A inside
  16. diode
  17. a circle with M inside
  18. False
  19. ammeter
  20. triangle against a bar
  21. junction
  22. False
  23. voltmeter
  24. False
  25. True
  26. True
  27. False
  28. resistor
  29. a circle with an X in it
  30. False
  31. False
  32. cell
  33. straight lines
  34. switch
  35. LED
  36. False
  37. True
  38. True
  39. True
  40. battery

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