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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 51 · 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 long and a short line? (a) battery (b) diode (c) cell (d) ammeter
  2. 2.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) junction (c) switch (d) bulb
  3. 3.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with an X in it (c) a line lifted at a gap (d) a small empty box
  4. 4.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a long and a short line (c) a circle with an X in it (d) a small empty box
  5. 5.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) battery (c) diode (d) capacitor
  6. 6.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
  7. 7.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
  8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) motor (c) ammeter (d) bulb
  9. 9.Which drawing is the symbol for a switch? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a circle with a cross (d) a long and a short line
  10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) bulb (c) motor (d) ammeter
  11. 11.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) wire (c) battery (d) ammeter
  12. 12.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) motor (c) resistor (d) diode
  13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
  14. 14.Which drawing is the symbol for a cell? (a) a plain rectangle (b) two equal parallel lines (c) one tall, one short bar (d) a straight line
  15. 15.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
  16. 16.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) capacitor (c) cell (d) diode
  17. 17.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) resistor (c) battery (d) bulb
  18. 18.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
  19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) junction (c) bulb (d) cell
  20. 20.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
  21. 21.True or false: a circle with an X in it is the symbol for a resistor. (a) False (b) True
  22. 22.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
  23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) switch (c) voltmeter (d) LED
  24. 24.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
  25. 25.True or false: a small empty box is the symbol for a battery. (a) False (b) True
  26. 26.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
  27. 27.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
  28. 28.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a circle with V inside (c) a circle with M inside (d) many long-short pairs
  29. 29.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
  30. 30.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) many long-short pairs (c) a circle with A inside (d) a circle with an X in it
  31. 31.True or false: a circle with A inside is the symbol for a resistor. (a) False (b) True
  32. 32.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) LED (c) junction (d) cell
  33. 33.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) voltmeter (c) switch (d) cell
  34. 34.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
  35. 35.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
  36. 36.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
  37. 37.True or false: a small empty box is the symbol for a motor. (a) True (b) False
  38. 38.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
  39. 39.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
  40. 40.Which drawing is the symbol for a wire? (a) a long and a short line (b) one tall, one short bar (c) a circle with a cross (d) a straight line

Answer key

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

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