Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 352 · 40 questions

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.

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

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