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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 265 · 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 cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
  2. 2.Which drawing is the symbol for a bulb? (a) a straight line (b) two equal parallel lines (c) a circle with V inside (d) a circle with an X in it
  3. 3.True or false: a circle with a cross is the symbol for a battery. (a) True (b) False
  4. 4.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a plain rectangle (c) a circle with an X in it (d) triangle against a bar
  5. 5.Which drawing is the symbol for a cell? (a) a long and a short line (b) two or more cell symbols (c) a small empty box (d) a circle with A inside
  6. 6.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) symbols are heavier (d) to make it colourful
  7. 7.True or false: a straight line is the symbol for a cell. (a) False (b) True
  8. 8.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
  9. 9.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) LED (c) ammeter (d) voltmeter
  10. 10.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) resistor (c) voltmeter (d) cell
  11. 11.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) switch (c) LED (d) junction
  12. 12.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) cell (c) voltmeter (d) motor
  13. 13.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) diode (c) resistor (d) wire
  14. 14.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) battery (c) LED (d) motor
  15. 15.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
  16. 16.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) False (b) True
  17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) voltmeter (c) capacitor (d) cell
  18. 18.Which drawing is the symbol for a junction? (a) a small empty box (b) a long and a short line (c) triangle, bar and arrows (d) a dot where wires meet
  19. 19.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
  20. 20.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) diode (c) resistor (d) switch
  21. 21.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) ammeter (c) bulb (d) capacitor
  22. 22.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) capacitor (c) wire (d) LED
  23. 23.Which drawing is the symbol for an ammeter? (a) two equal parallel lines (b) one tall, one short bar (c) a circle with A inside (d) a circle with an X in it
  24. 24.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
  25. 25.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) diode (c) LED (d) battery
  26. 26.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
  27. 27.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
  28. 28.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) many long-short pairs (c) a circle with M inside (d) a circle with A inside
  29. 29.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) switch (c) resistor (d) battery
  30. 30.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
  31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) voltmeter (c) bulb (d) capacitor
  32. 32.True or false: a straight line is the symbol for a wire. (a) True (b) False
  33. 33.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
  34. 34.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
  35. 35.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
  36. 36.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
  37. 37.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
  38. 38.Which drawing is the symbol for a switch? (a) triangle, bar and arrows (b) a circle with an X in it (c) a line lifted at a gap (d) a circle with A inside
  39. 39.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a circle with a cross (c) many long-short pairs (d) a small empty box
  40. 40.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) bulb (c) wire (d) junction

Answer key

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

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