Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 750 · 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 dot where wires meet is the symbol for a wire. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) cell (c) bulb (d) diode
3. 3.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) one tall, one short bar (c) a straight line (d) a circle with an X in it
4. 4.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False
5. 5.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
6. 6.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) two or more cell symbols (c) a circle with V inside (d) a plain rectangle
7. 7.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) a circle with M inside (c) two equal parallel lines (d) a long and a short line
8. 8.Which drawing is the symbol for a wire? (a) a straight line (b) two or more cell symbols (c) a circle with A inside (d) a line lifted at a gap
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 circle with a cross (d) a dot where wires meet
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) junction (c) bulb (d) ammeter
12. 12.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
13. 13.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) a circle with V inside (c) a dot where wires meet (d) two equal parallel lines
14. 14.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) capacitor (c) battery (d) LED
16. 16.True or false: a circle with A inside is the symbol for a voltmeter. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) resistor (c) wire (d) switch
18. 18.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
19. 19.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) resistor (c) bulb (d) motor
21. 21.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) many long-short pairs (c) triangle against a bar (d) a small empty box
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) bulb (c) wire (d) voltmeter
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) bulb (c) ammeter (d) cell
24. 24.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) cell (c) resistor (d) switch
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) LED (c) capacitor (d) ammeter
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) motor (c) diode (d) voltmeter
28. 28.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) diode (c) wire (d) cell
30. 30.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) switch (c) diode (d) wire
31. 31.Which drawing is the symbol for a cell? (a) a small empty box (b) a long and a short line (c) many long-short pairs (d) a circle with M inside
32. 32.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
33. 33.Which drawing is the symbol for an LED? (a) a small empty box (b) a long and a short line (c) triangle, bar and arrows (d) two equal parallel lines
34. 34.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) resistor (c) LED (d) cell
35. 35.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
36. 36.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
37. 37.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with A inside (c) triangle against a bar (d) two or more cell symbols
38. 38.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) switch (c) battery (d) motor
39. 39.Which drawing is the symbol for a cell? (a) many long-short pairs (b) one tall, one short bar (c) two equal parallel lines (d) a circle with an X in it
40. 40.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False

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