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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 674 · 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 circle with A inside? (a) motor (b) capacitor (c) bulb (d) ammeter
  2. 2.True or false: a small empty box is the symbol for a junction. (a) False (b) True
  3. 3.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
  4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
  5. 5.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
  6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) wavy lines (d) dotted circles
  7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) bulb (c) diode (d) battery
  8. 8.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
  9. 9.Which drawing is the symbol for a capacitor? (a) a small empty box (b) two equal parallel lines (c) a circle with an X in it (d) a circle with M inside
  10. 10.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a line lifted at a gap (c) a dot where wires meet (d) many long-short pairs
  11. 11.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a line lifted at a gap (c) a straight line (d) a long and a short line
  12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) cell (c) motor (d) capacitor
  13. 13.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
  14. 14.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a plain rectangle (c) two equal parallel lines (d) one tall, one short bar
  15. 15.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
  16. 16.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) a plain rectangle (c) a circle with V inside (d) many long-short pairs
  17. 17.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) switch (c) wire (d) ammeter
  18. 18.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
  19. 19.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
  20. 20.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
  21. 21.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) diode (c) capacitor (d) cell
  22. 22.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with a cross (c) a long and a short line (d) a circle with A inside
  23. 23.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) motor (c) bulb (d) battery
  24. 24.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with an X in it
  25. 25.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) two or more cell symbols (c) a circle with M inside (d) one tall, one short bar
  26. 26.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) cell (c) resistor (d) switch
  27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) battery (c) resistor (d) switch
  28. 28.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) junction (b) LED (c) switch (d) ammeter
  29. 29.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) battery (d) junction
  30. 30.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) resistor (b) switch (c) diode (d) capacitor
  31. 31.True or false: many long-short pairs is the symbol for a voltmeter. (a) False (b) True
  32. 32.True or false: many long-short pairs is the symbol for an ammeter. (a) False (b) True
  33. 33.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
  34. 34.True or false: two or more cell symbols is the symbol for a switch. (a) False (b) True
  35. 35.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
  36. 36.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
  37. 37.True or false: one tall, one short bar is the symbol for an LED. (a) False (b) True
  38. 38.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
  39. 39.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
  40. 40.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) one tall, one short bar (c) a circle with V inside (d) a plain rectangle

Answer key

  1. ammeter
  2. False
  3. False
  4. the longer line
  5. True
  6. straight lines
  7. battery
  8. quick and clear for all
  9. two equal parallel lines
  10. triangle against a bar
  11. a long and a short line
  12. capacitor
  13. False
  14. a plain rectangle
  15. False
  16. a circle with V inside
  17. wire
  18. True
  19. True
  20. True
  21. diode
  22. a small empty box
  23. bulb
  24. triangle, bar and arrows
  25. a circle with M inside
  26. cell
  27. resistor
  28. LED
  29. bulb
  30. switch
  31. False
  32. False
  33. True
  34. False
  35. True
  36. False
  37. False
  38. False
  39. True
  40. one tall, one short bar

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