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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 733 · 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 V inside is the symbol for a voltmeter. (a) False (b) True
  2. 2.Which drawing is the symbol for a resistor? (a) a small empty box (b) triangle against a bar (c) a circle with a cross (d) a circle with M inside
  3. 3.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
  4. 4.True or false: two or more cell symbols is the symbol for a motor. (a) True (b) False
  5. 5.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
  6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) straight lines (d) wavy lines
  7. 7.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
  8. 8.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
  9. 9.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a circle with M inside (c) triangle, bar and arrows (d) a dot where wires meet
  10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) LED (c) ammeter (d) battery
  11. 11.✏️ In a circuit diagram, which part is drawn as a straight line? (a) capacitor (b) battery (c) wire (d) LED
  12. 12.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
  13. 13.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a circle with a cross (c) two or more cell symbols (d) a long and a short line
  14. 14.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with an X in it (c) a circle with V inside (d) two equal parallel lines
  15. 15.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a long and a short line (c) two or more cell symbols (d) a small empty box
  16. 16.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
  17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) cell (c) voltmeter (d) junction
  18. 18.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) many long-short pairs (c) a dot where wires meet (d) a circle with A inside
  19. 19.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with M inside (c) triangle, bar and arrows (d) a circle with a cross
  20. 20.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) resistor (c) cell (d) voltmeter
  21. 21.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) cell (c) battery (d) bulb
  22. 22.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
  23. 23.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
  24. 24.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) motor (c) ammeter (d) cell
  25. 25.True or false: a straight line is the symbol for a bulb. (a) False (b) True
  26. 26.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) both lines (d) neither line
  27. 27.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
  28. 28.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
  29. 29.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) ammeter (c) cell (d) LED
  30. 30.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
  31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) junction (c) ammeter (d) capacitor
  32. 32.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a straight line (c) a circle with an X in it (d) one tall, one short bar
  33. 33.True or false: a straight line is the symbol for a wire. (a) False (b) True
  34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) junction (c) diode (d) voltmeter
  35. 35.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with M inside (c) a dot where wires meet (d) many long-short pairs
  36. 36.True or false: triangle against a bar is the symbol for an LED. (a) False (b) True
  37. 37.Which drawing is the symbol for a switch? (a) a circle with M inside (b) a circle with an X in it (c) a dot where wires meet (d) a line lifted at a gap
  38. 38.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) battery (c) bulb (d) junction
  39. 39.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with V inside (c) a circle with A inside (d) many long-short pairs
  40. 40.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) many long-short pairs (c) a circle with V inside (d) a small empty box

Answer key

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

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