Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 621 · 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 a dot where wires meet? (a) switch (b) junction (c) resistor (d) cell
2. 2.Which drawing is the symbol for a resistor? (a) a small empty box (b) one tall, one short bar (c) triangle, bar and arrows (d) a circle with M inside
3. 3.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a circle with a cross (c) many long-short pairs (d) a long and a short line
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) ammeter (b) cell (c) battery (d) wire
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
7. 7.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) two equal parallel lines (c) many long-short pairs (d) a straight line
8. 8.True or false: a line lifted at a gap is the symbol for an ammeter. (a) True (b) False
9. 9.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a circle with an X in it (c) a dot where wires meet (d) a small empty box
10. 10.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
11. 11.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a circle with V inside (c) a circle with A inside (d) triangle against a bar
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) capacitor (c) LED (d) junction
13. 13.True or false: a circle with V inside is the symbol for a battery. (a) True (b) False
14. 14.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
15. 15.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
16. 16.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
17. 17.True or false: a circle with a cross is the symbol for a switch. (a) False (b) True
18. 18.Which drawing is the symbol for an LED? (a) a small empty box (b) a circle with V inside (c) triangle, bar and arrows (d) a dot where wires meet
19. 19.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
20. 20.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) wire (c) LED (d) voltmeter
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) bulb (c) battery (d) LED
23. 23.True or false: a small empty box is the symbol for a wire. (a) False (b) True
24. 24.Which drawing is the symbol for a switch? (a) a long and a short line (b) a dot where wires meet (c) a line lifted at a gap (d) two or more cell symbols
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) capacitor (c) bulb (d) switch
26. 26.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) ammeter (c) junction (d) battery
28. 28.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
29. 29.True or false: two or more cell symbols is the symbol for a motor. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) wire (c) switch (d) cell
31. 31.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) one tall, one short bar (c) a small empty box (d) triangle against a bar
32. 32.Which drawing is the symbol for a wire? (a) a circle with M inside (b) many long-short pairs (c) a straight line (d) a circle with an X in it
33. 33.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) a circle with A inside (d) triangle against a bar
34. 34.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) cell (c) resistor (d) voltmeter
35. 35.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) cell (c) ammeter (d) switch
36. 36.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with a cross (c) one tall, one short bar (d) many long-short pairs
37. 37.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) a circle with V inside (c) triangle against a bar (d) a dot where wires meet
38. 38.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) a dot where wires meet (c) two equal parallel lines (d) a plain rectangle
39. 39.True or false: one tall, one short bar is the symbol for a bulb. (a) False (b) True
40. 40.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False

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