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Electronics Worksheet: Circuit Symbols

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

Answer key

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

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