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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 428 · 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 bulb? (a) triangle, bar and arrows (b) a circle with an X in it (c) a plain rectangle (d) triangle against a bar
  2. 2.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
  3. 3.✏️ 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
  4. 4.True or false: a line lifted at a gap is the symbol for a bulb. (a) True (b) False
  5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
  6. 6.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
  7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
  8. 8.True or false: a circle with M inside is the symbol for an ammeter. (a) True (b) False
  9. 9.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) motor (c) capacitor (d) diode
  10. 10.True or false: a circle with a cross is the symbol for a capacitor. (a) True (b) False
  11. 11.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) voltmeter (c) cell (d) capacitor
  12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) junction (c) motor (d) cell
  13. 13.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) junction (c) LED (d) bulb
  14. 14.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) switch (c) battery (d) LED
  15. 15.Which drawing is the symbol for an ammeter? (a) two equal parallel lines (b) a circle with A inside (c) two or more cell symbols (d) a dot where wires meet
  16. 16.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
  17. 17.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) diode (c) switch (d) battery
  18. 18.True or false: a straight line is the symbol for a wire. (a) True (b) False
  19. 19.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
  20. 20.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
  21. 21.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) battery (c) switch (d) resistor
  22. 22.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) a plain rectangle (c) a straight line (d) two or more cell symbols
  23. 23.True or false: a long and a short line is the symbol for an ammeter. (a) True (b) False
  24. 24.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) one tall, one short bar (c) a circle with an X in it (d) a circle with V inside
  25. 25.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a circle with a cross (c) one tall, one short bar (d) a dot where wires meet
  26. 26.True or false: a circle with an X in it is the symbol for a resistor. (a) True (b) False
  27. 27.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a circle with a cross (c) many long-short pairs (d) two equal parallel lines
  28. 28.Which drawing is the symbol for a switch? (a) many long-short pairs (b) two or more cell symbols (c) one tall, one short bar (d) a line lifted at a gap
  29. 29.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) ammeter (c) junction (d) voltmeter
  30. 30.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
  31. 31.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
  32. 32.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
  33. 33.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
  34. 34.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) wire (c) voltmeter (d) LED
  35. 35.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
  36. 36.Which drawing is the symbol for a resistor? (a) a small empty box (b) a long and a short line (c) a circle with a cross (d) two or more cell symbols
  37. 37.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) resistor (c) wire (d) battery
  38. 38.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
  39. 39.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) triangle, bar and arrows (c) a circle with V inside (d) a long and a short line
  40. 40.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True

Answer key

  1. a circle with an X in it
  2. True
  3. quick and clear for all
  4. False
  5. straight lines
  6. True
  7. the longer line
  8. False
  9. motor
  10. False
  11. capacitor
  12. cell
  13. bulb
  14. LED
  15. a circle with A inside
  16. True
  17. switch
  18. True
  19. True
  20. False
  21. battery
  22. a straight line
  23. False
  24. a circle with V inside
  25. a circle with a cross
  26. False
  27. two equal parallel lines
  28. a line lifted at a gap
  29. voltmeter
  30. True
  31. True
  32. True
  33. True
  34. wire
  35. True
  36. a small empty box
  37. resistor
  38. True
  39. triangle, bar and arrows
  40. False

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