Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 833 · 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 many long-short pairs? (a) ammeter (b) battery (c) voltmeter (d) LED
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
3. 3.Which drawing is the symbol for a diode? (a) a straight line (b) a circle with an X in it (c) a dot where wires meet (d) triangle against a bar
4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) cell (c) ammeter (d) voltmeter
5. 5.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
6. 6.Which drawing is the symbol for a wire? (a) a circle with A inside (b) one tall, one short bar (c) a straight line (d) triangle against a bar
7. 7.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) a straight line (c) a circle with V inside (d) triangle, bar and arrows
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) bulb (c) motor (d) ammeter
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) capacitor (d) switch
10. 10.✏️ 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
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) ammeter (c) voltmeter (d) cell
13. 13.True or false: a circle with a cross is the symbol for a wire. (a) True (b) False
14. 14.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
15. 15.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) one tall, one short bar (c) a circle with a cross (d) a plain rectangle
16. 16.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with V inside (c) triangle against a bar (d) a circle with a cross
17. 17.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) triangle against a bar (c) a circle with a cross (d) a circle with M inside
18. 18.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) battery (c) bulb (d) capacitor
19. 19.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) junction (c) switch (d) wire
20. 20.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) voltmeter (c) cell (d) diode
21. 21.True or false: a plain rectangle is the symbol for a cell. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) capacitor (c) wire (d) junction
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) diode (c) voltmeter (d) junction
24. 24.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with A inside (c) a straight line (d) a circle with an X in it
25. 25.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
26. 26.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) battery (c) resistor (d) junction
28. 28.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a line lifted at a gap (c) one tall, one short bar (d) a circle with an X in it
29. 29.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with M inside (c) triangle against a bar (d) a circle with an X in it
30. 30.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
31. 31.Which drawing is the symbol for a battery? (a) a straight line (b) two or more cell symbols (c) a long and a short line (d) a circle with M inside
32. 32.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with an X in it (c) a long and a short line (d) a straight line
33. 33.Which drawing is the symbol for a junction? (a) a long and a short line (b) a plain rectangle (c) a dot where wires meet (d) a straight line
34. 34.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a circle with a cross (c) a circle with M inside (d) a long and a short line
35. 35.True or false: a plain rectangle is the symbol for a battery. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) battery (c) diode (d) motor
37. 37.True or false: many long-short pairs is the symbol for a motor. (a) False (b) True
38. 38.True or false: a plain rectangle is the symbol for a capacitor. (a) False (b) True
39. 39.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
40. 40.True or false: a line lifted at a gap is the symbol for a capacitor. (a) True (b) False

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