Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 281 · 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 bulb. (a) False (b) True
2. 2.True or false: a small empty box is the symbol for a voltmeter. (a) False (b) True
3. 3.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) one tall, one short bar (c) a small empty box (d) two equal parallel lines
4. 4.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
6. 6.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a small empty box (c) a long and a short line (d) a straight line
7. 7.Which drawing is the symbol for a cell? (a) a small empty box (b) many long-short pairs (c) one tall, one short bar (d) a plain rectangle
8. 8.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) diode (c) LED (d) cell
9. 9.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
10. 10.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a line lifted at a gap (c) many long-short pairs (d) a long and a short line
11. 11.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) voltmeter (b) resistor (c) cell (d) junction
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
13. 13.Which drawing is the symbol for a battery? (a) a plain rectangle (b) a dot where wires meet (c) triangle against a bar (d) two or more cell symbols
14. 14.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
16. 16.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) diode (c) wire (d) bulb
18. 18.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a straight line (c) a circle with V inside (d) a circle with a cross
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) ammeter (c) diode (d) motor
20. 20.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a small empty box (c) a long and a short line (d) many long-short pairs
21. 21.True or false: a dot where wires meet is the symbol for an ammeter. (a) True (b) False
22. 22.Which drawing is the symbol for a diode? (a) a small empty box (b) two equal parallel lines (c) triangle against a bar (d) a long and a short line
23. 23.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) junction (c) diode (d) voltmeter
25. 25.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
26. 26.True or false: a straight line is the symbol for a cell. (a) False (b) True
27. 27.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a circle with M inside (c) two equal parallel lines (d) a circle with A inside
28. 28.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) bulb (c) diode (d) LED
30. 30.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) motor (c) wire (d) switch
31. 31.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) bulb (c) battery (d) switch
33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) voltmeter (c) switch (d) motor
34. 34.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a small empty box (c) a circle with V inside (d) a circle with an X in it
35. 35.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) diode (c) motor (d) ammeter
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) switch (c) cell (d) ammeter
38. 38.Which drawing is the symbol for a switch? (a) triangle against a bar (b) many long-short pairs (c) a circle with a cross (d) a line lifted at a gap
39. 39.True or false: a circle with M inside is the symbol for a diode. (a) True (b) False
40. 40.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a straight line (c) two or more cell symbols (d) a plain rectangle

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