Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 294 · 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: triangle against a bar is the symbol for a diode. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) bulb (c) ammeter (d) motor
3. 3.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
4. 4.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with an X in it (c) a dot where wires meet (d) two or more cell symbols
5. 5.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with V inside (c) a circle with a cross (d) one tall, one short bar
6. 6.Which drawing is the symbol for a capacitor? (a) a plain rectangle (b) a straight line (c) two or more cell symbols (d) two equal parallel lines
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) ammeter (c) resistor (d) cell
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) capacitor (b) bulb (c) cell (d) wire
10. 10.True or false: one tall, one short bar is the symbol for a wire. (a) True (b) False
11. 11.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) triangle, bar and arrows (c) a straight line (d) a line lifted at a gap
12. 12.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a circle with M inside (c) a circle with a cross (d) a circle with V inside
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
14. 14.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) switch (c) wire (d) motor
16. 16.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) motor (c) resistor (d) wire
17. 17.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) switch (c) cell (d) battery
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) motor (c) diode (d) capacitor
20. 20.True or false: a straight line is the symbol for a battery. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) bulb (c) battery (d) wire
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) diode (c) voltmeter (d) wire
23. 23.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with a cross (c) a plain rectangle (d) triangle, bar and arrows
24. 24.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) switch (c) capacitor (d) diode
25. 25.Which drawing is the symbol for a diode? (a) a small empty box (b) triangle against a bar (c) a dot where wires meet (d) a circle with an X in it
26. 26.True or false: a line lifted at a gap is the symbol for a wire. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) junction (c) battery (d) motor
28. 28.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False
29. 29.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a dot where wires meet (c) one tall, one short bar (d) a plain rectangle
30. 30.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False
31. 31.True or false: many long-short pairs is the symbol for a cell. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) motor (c) switch (d) battery
33. 33.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
34. 34.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
35. 35.True or false: a dot where wires meet is the symbol for an LED. (a) True (b) False
36. 36.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
37. 37.Which drawing is the symbol for a junction? (a) a circle with a cross (b) a dot where wires meet (c) many long-short pairs (d) triangle, bar and arrows
38. 38.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) two or more cell symbols (c) a small empty box (d) a circle with M inside
39. 39.True or false: a straight line is the symbol for a wire. (a) True (b) False
40. 40.True or false: a circle with a cross is the symbol for a resistor. (a) False (b) True

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