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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 279 · 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.True or false: a circle with an X in it is the symbol for a switch. (a) False (b) True
  2. 2.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
  3. 3.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
  4. 4.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) two equal parallel lines (c) many long-short pairs (d) triangle, bar and arrows
  5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
  6. 6.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle, bar and arrows (c) two equal parallel lines (d) a circle with an X in it
  7. 7.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
  8. 8.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) LED (c) cell (d) junction
  9. 9.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
  10. 10.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with M inside (c) a circle with A inside (d) a plain rectangle
  11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) resistor (c) switch (d) ammeter
  12. 12.Which drawing is the symbol for a battery? (a) a straight line (b) a long and a short line (c) two or more cell symbols (d) a line lifted at a gap
  13. 13.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) capacitor (c) junction (d) LED
  14. 14.True or false: one tall, one short bar is the symbol for a diode. (a) True (b) False
  15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) wire (c) voltmeter (d) bulb
  16. 16.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) voltmeter (d) cell
  17. 17.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
  18. 18.True or false: a line lifted at a gap is the symbol for a capacitor. (a) True (b) False
  19. 19.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) ammeter (c) LED (d) cell
  20. 20.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
  21. 21.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) many long-short pairs (c) a dot where wires meet (d) a line lifted at a gap
  22. 22.True or false: a small empty box is the symbol for a wire. (a) False (b) True
  23. 23.Which drawing is the symbol for an LED? (a) a long and a short line (b) a straight line (c) a circle with a cross (d) triangle, bar and arrows
  24. 24.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) a small empty box (c) a circle with A inside (d) a circle with M inside
  25. 25.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
  26. 26.Which drawing is the symbol for a cell? (a) a circle with M inside (b) triangle against a bar (c) a small empty box (d) one tall, one short bar
  27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) LED (c) cell (d) switch
  28. 28.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
  29. 29.True or false: a circle with an X in it is the symbol for a battery. (a) False (b) True
  30. 30.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
  31. 31.True or false: a plain rectangle is the symbol for a bulb. (a) True (b) False
  32. 32.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
  33. 33.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) motor (c) battery (d) wire
  34. 34.Which drawing is the symbol for a switch? (a) a straight line (b) a circle with an X in it (c) a plain rectangle (d) a line lifted at a gap
  35. 35.True or false: a small empty box is the symbol for a diode. (a) True (b) False
  36. 36.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
  37. 37.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) many long-short pairs (c) a circle with a cross (d) two or more cell symbols
  38. 38.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
  39. 39.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) wire (c) motor (d) switch
  40. 40.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) bulb (c) wire (d) cell

Answer key

  1. False
  2. quick and clear for all
  3. True
  4. two equal parallel lines
  5. straight lines
  6. a circle with M inside
  7. the longer line
  8. cell
  9. True
  10. many long-short pairs
  11. ammeter
  12. two or more cell symbols
  13. resistor
  14. False
  15. voltmeter
  16. diode
  17. True
  18. False
  19. LED
  20. True
  21. a dot where wires meet
  22. False
  23. triangle, bar and arrows
  24. a small empty box
  25. True
  26. one tall, one short bar
  27. battery
  28. True
  29. False
  30. True
  31. False
  32. False
  33. motor
  34. a line lifted at a gap
  35. False
  36. False
  37. a circle with a cross
  38. False
  39. wire
  40. cell

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