Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 288 · 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.Which drawing is the symbol for a wire? (a) a circle with an X in it (b) a circle with a cross (c) a circle with A inside (d) a straight line
2. 2.Which drawing is the symbol for a diode? (a) two equal parallel lines (b) a circle with M inside (c) one tall, one short bar (d) triangle against a bar
3. 3.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) diode (c) cell (d) junction
4. 4.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a dot where wires meet (c) many long-short pairs (d) a plain rectangle
5. 5.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
6. 6.True or false: a straight line is the symbol for a wire. (a) False (b) True
7. 7.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
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 an ammeter? (a) many long-short pairs (b) a circle with A inside (c) a plain rectangle (d) triangle against a bar
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
11. 11.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) cell (c) LED (d) voltmeter
12. 12.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) two equal parallel lines (c) a dot where wires meet (d) a long and a short line
13. 13.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a line lifted at a gap (c) a circle with A inside (d) a dot where wires meet
14. 14.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
15. 15.Which drawing is the symbol for a bulb? (a) a small empty box (b) a dot where wires meet (c) a circle with an X in it (d) one tall, one short bar
16. 16.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
17. 17.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) battery (c) diode (d) capacitor
19. 19.True or false: a straight line is the symbol for a voltmeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) capacitor (b) bulb (c) resistor (d) cell
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) cell (c) capacitor (d) motor
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) junction (c) capacitor (d) battery
23. 23.True or false: two or more cell symbols is the symbol for a motor. (a) True (b) False
24. 24.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) resistor (b) battery (c) motor (d) switch
26. 26.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) two or more cell symbols (c) a small empty box (d) a line lifted at a gap
27. 27.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) bulb (c) capacitor (d) cell
29. 29.True or false: a straight line is the symbol for a battery. (a) True (b) False
30. 30.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
31. 31.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) triangle against a bar (c) a circle with V inside (d) a circle with M inside
32. 32.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a line lifted at a gap (c) two or more cell symbols (d) a long and a short line
33. 33.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) junction (c) cell (d) resistor
34. 34.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
35. 35.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
36. 36.True or false: a line lifted at a gap is the symbol for a diode. (a) True (b) False
37. 37.True or false: a dot where wires meet is the symbol for a cell. (a) True (b) False
38. 38.Which drawing is the symbol for a junction? (a) a line lifted at a gap (b) a circle with A inside (c) a dot where wires meet (d) triangle, bar and arrows
39. 39.True or false: a circle with M inside is the symbol for a bulb. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) wire (c) switch (d) diode

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