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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 765 · 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 voltmeter? (a) one tall, one short bar (b) a circle with V inside (c) many long-short pairs (d) a straight line
  2. 2.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with an X in it (c) many long-short pairs (d) a straight line
  3. 3.True or false: a straight line is the symbol for a bulb. (a) True (b) False
  4. 4.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with M inside (c) a circle with a cross (d) two equal parallel lines
  5. 5.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
  6. 6.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
  7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
  8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) cell (c) capacitor (d) voltmeter
  9. 9.True or false: triangle, bar and arrows is the symbol for a voltmeter. (a) True (b) False
  10. 10.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a small empty box (c) two equal parallel lines (d) one tall, one short bar
  11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) motor (b) switch (c) capacitor (d) ammeter
  12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
  13. 13.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
  14. 14.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
  15. 15.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
  16. 16.True or false: a dot where wires meet is the symbol for a voltmeter. (a) True (b) False
  17. 17.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) two equal parallel lines (c) one tall, one short bar (d) two or more cell symbols
  18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) switch (c) resistor (d) bulb
  19. 19.True or false: a line lifted at a gap is the symbol for a resistor. (a) True (b) False
  20. 20.Which drawing is the symbol for a diode? (a) a line lifted at a gap (b) a straight line (c) triangle against a bar (d) a small empty box
  21. 21.Which drawing is the symbol for a battery? (a) a circle with V inside (b) one tall, one short bar (c) a long and a short line (d) many long-short pairs
  22. 22.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) junction (c) LED (d) wire
  23. 23.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
  24. 24.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) bulb (c) switch (d) resistor
  25. 25.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) capacitor (c) voltmeter (d) cell
  26. 26.True or false: a circle with an X in it is the symbol for a resistor. (a) True (b) False
  27. 27.True or false: two equal parallel lines is the symbol for a junction. (a) True (b) False
  28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) resistor (c) motor (d) ammeter
  29. 29.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
  30. 30.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
  31. 31.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) one tall, one short bar (c) a circle with A inside (d) two or more cell symbols
  32. 32.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) motor (c) bulb (d) diode
  33. 33.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) cell (c) battery (d) resistor
  34. 34.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
  35. 35.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) bulb (c) switch (d) cell
  36. 36.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
  37. 37.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
  38. 38.True or false: two equal parallel lines is the symbol for a battery. (a) False (b) True
  39. 39.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
  40. 40.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a circle with a cross (c) many long-short pairs (d) a line lifted at a gap

Answer key

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

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