Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 970 · 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: two or more cell symbols is the symbol for a battery. (a) True (b) False
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
3. 3.True or false: a circle with M inside is the symbol for a junction. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) battery (c) cell (d) LED
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
6. 6.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a dot where wires meet (c) a circle with a cross (d) a line lifted at a gap
7. 7.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a small empty box (c) triangle, bar and arrows (d) two equal parallel lines
8. 8.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) wire (c) LED (d) battery
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) capacitor (c) ammeter (d) LED
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) capacitor (c) resistor (d) switch
12. 12.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) triangle, bar and arrows (d) one tall, one short bar
13. 13.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) battery (c) junction (d) motor
15. 15.Which drawing is the symbol for a wire? (a) triangle against a bar (b) two equal parallel lines (c) a straight line (d) two or more cell symbols
16. 16.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) cell (c) bulb (d) switch
17. 17.True or false: two equal parallel lines is the symbol for a battery. (a) True (b) False
18. 18.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) LED (c) cell (d) voltmeter
20. 20.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
21. 21.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) junction (c) bulb (d) switch
23. 23.Which drawing is the symbol for a switch? (a) a circle with a cross (b) one tall, one short bar (c) many long-short pairs (d) a line lifted at a gap
24. 24.True or false: a circle with an X in it is the symbol for a motor. (a) True (b) False
25. 25.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) a circle with an X in it (c) a long and a short line (d) many long-short pairs
26. 26.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) battery (c) voltmeter (d) resistor
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) resistor (c) switch (d) diode
28. 28.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with V inside (c) a long and a short line (d) triangle against a bar
29. 29.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a circle with a cross (c) many long-short pairs (d) a circle with V inside
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) ammeter (c) voltmeter (d) wire
31. 31.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a circle with A inside (c) a long and a short line (d) a circle with V inside
32. 32.True or false: a circle with V inside is the symbol for a junction. (a) True (b) False
33. 33.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) motor (c) battery (d) diode
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) voltmeter (c) capacitor (d) diode
36. 36.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a small empty box (c) triangle against a bar (d) one tall, one short bar
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) capacitor (d) ammeter
38. 38.True or false: a long and a short line is the symbol for a motor. (a) False (b) True
39. 39.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a plain rectangle (c) a circle with A inside (d) two or more cell symbols
40. 40.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) triangle against a bar (c) a dot where wires meet (d) a line lifted at a gap

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