Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 783 · 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.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) LED (c) junction (d) battery
3. 3.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) resistor (c) cell (d) diode
4. 4.True or false: two equal parallel lines is the symbol for a junction. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) motor (c) wire (d) ammeter
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
7. 7.Which drawing is the symbol for a junction? (a) a circle with a cross (b) a plain rectangle (c) two or more cell symbols (d) a dot where wires meet
8. 8.True or false: triangle, bar and arrows is the symbol for a voltmeter. (a) True (b) False
9. 9.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
10. 10.✏️ 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
11. 11.True or false: a dot where wires meet is the symbol for a cell. (a) True (b) False
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
13. 13.True or false: a dot where wires meet is the symbol for a motor. (a) True (b) False
14. 14.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a circle with A inside (c) triangle, bar and arrows (d) a circle with a cross
15. 15.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a circle with V inside (c) a line lifted at a gap (d) a circle with an X in it
16. 16.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
17. 17.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a straight line (c) a circle with a cross (d) a circle with M inside
18. 18.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
19. 19.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) a circle with an X in it (c) a small empty box (d) a plain rectangle
20. 20.True or false: triangle, bar and arrows is the symbol for a diode. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) voltmeter (c) capacitor (d) cell
22. 22.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) diode (c) bulb (d) LED
23. 23.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two equal parallel lines (c) a circle with a cross (d) two or more cell symbols
24. 24.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) junction (c) diode (d) battery
25. 25.True or false: a circle with V inside is the symbol for a diode. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) cell (c) bulb (d) wire
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) junction (c) resistor (d) wire
28. 28.True or false: a straight line is the symbol for a capacitor. (a) False (b) True
29. 29.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) bulb (d) ammeter
31. 31.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) switch (c) LED (d) battery
32. 32.Which drawing is the symbol for a cell? (a) many long-short pairs (b) two equal parallel lines (c) one tall, one short bar (d) a straight line
33. 33.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
34. 34.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
35. 35.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
36. 36.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
37. 37.Which drawing is the symbol for a cell? (a) a long and a short line (b) a small empty box (c) two equal parallel lines (d) a circle with M inside
38. 38.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) triangle against a bar (c) a circle with M inside (d) two or more cell symbols
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) LED (c) resistor (d) ammeter
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) wire (c) diode (d) motor

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