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Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 227 · 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 battery? (a) a small empty box (b) a circle with a cross (c) two or more cell symbols (d) a dot where wires meet
  2. 2.True or false: triangle, bar and arrows is the symbol for a switch. (a) False (b) True
  3. 3.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) motor (c) resistor (d) battery
  4. 4.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) motor (c) resistor (d) switch
  5. 5.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) ammeter (c) cell (d) LED
  6. 6.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) motor (c) capacitor (d) LED
  7. 7.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) to make it colourful (d) quick and clear for all
  8. 8.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
  9. 9.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) motor (c) ammeter (d) diode
  10. 10.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with V inside (c) a circle with an X in it (d) one tall, one short bar
  11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
  12. 12.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
  13. 13.True or false: triangle against a bar is the symbol for a capacitor. (a) False (b) True
  14. 14.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) diode (c) motor (d) ammeter
  15. 15.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) one tall, one short bar (c) a circle with a cross (d) a line lifted at a gap
  16. 16.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
  17. 17.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) ammeter (c) resistor (d) bulb
  18. 18.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) voltmeter (d) bulb
  19. 19.True or false: a plain rectangle is the symbol for a voltmeter. (a) False (b) True
  20. 20.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
  21. 21.True or false: a straight line is the symbol for a wire. (a) False (b) True
  22. 22.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) motor (c) battery (d) wire
  23. 23.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) ammeter (c) bulb (d) cell
  24. 24.True or false: a circle with a cross is the symbol for an ammeter. (a) True (b) False
  25. 25.True or false: triangle against a bar is the symbol for a resistor. (a) True (b) False
  26. 26.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
  27. 27.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
  28. 28.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle against a bar (c) triangle, bar and arrows (d) two or more cell symbols
  29. 29.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
  30. 30.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
  31. 31.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) a long and a short line (d) a circle with V inside
  32. 32.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
  33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) motor (c) junction (d) battery
  34. 34.Which drawing is the symbol for a wire? (a) a circle with a cross (b) a circle with an X in it (c) two or more cell symbols (d) a straight line
  35. 35.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) two or more cell symbols (c) a long and a short line (d) a circle with V inside
  36. 36.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) LED (c) voltmeter (d) motor
  37. 37.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
  38. 38.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
  39. 39.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with an X in it (c) a small empty box (d) triangle against a bar
  40. 40.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) battery (c) switch (d) cell

Answer key

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

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