Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 385 · 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 circle with A inside? (a) ammeter (b) bulb (c) switch (d) voltmeter
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) resistor (c) battery (d) ammeter
3. 3.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) capacitor (c) voltmeter (d) LED
4. 4.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) switch (c) battery (d) capacitor
6. 6.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
7. 7.True or false: a circle with A inside is the symbol for a battery. (a) False (b) True
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) the shorter line (d) both lines
9. 9.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) many long-short pairs (c) a long and a short line (d) a circle with A inside
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) ammeter (d) resistor
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
12. 12.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a straight line (c) two or more cell symbols (d) a circle with an X in it
13. 13.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) junction (c) battery (d) ammeter
15. 15.Which drawing is the symbol for a motor? (a) a dot where wires meet (b) a long and a short line (c) one tall, one short bar (d) a circle with M inside
16. 16.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
17. 17.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) triangle against a bar (c) a plain rectangle (d) triangle, bar and arrows
18. 18.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
19. 19.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with a cross (d) a straight line
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) junction (c) battery (d) motor
21. 21.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) a circle with V inside (c) a small empty box (d) a long and a short line
22. 22.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
23. 23.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
24. 24.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with V inside (c) a circle with a cross (d) a dot where wires meet
25. 25.True or false: a circle with M inside is the symbol for a bulb. (a) False (b) True
26. 26.True or false: two or more cell symbols is the symbol for a wire. (a) True (b) False
27. 27.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) one tall, one short bar (c) two equal parallel lines (d) triangle, bar and arrows
28. 28.True or false: triangle, bar and arrows is the symbol for a diode. (a) False (b) True
29. 29.True or false: a circle with M inside is the symbol for an ammeter. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) cell (c) bulb (d) junction
31. 31.True or false: many long-short pairs is the symbol for a motor. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) bulb (c) capacitor (d) battery
33. 33.True or false: two equal parallel lines is the symbol for a voltmeter. (a) True (b) False
34. 34.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) capacitor (c) wire (d) motor
36. 36.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
37. 37.True or false: triangle, bar and arrows is the symbol for a wire. (a) True (b) False
38. 38.Which drawing is the symbol for an LED? (a) a plain rectangle (b) triangle against a bar (c) one tall, one short bar (d) triangle, bar and arrows
39. 39.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) motor (c) battery (d) ammeter

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