Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 289 · 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 a circle with M inside? (a) voltmeter (b) resistor (c) motor (d) bulb
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
3. 3.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) bulb (c) battery (d) resistor
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) battery (c) voltmeter (d) ammeter
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) LED (c) voltmeter (d) capacitor
7. 7.True or false: a circle with M inside is the symbol for a battery. (a) False (b) True
8. 8.True or false: a long and a short line is the symbol for a switch. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) resistor (c) bulb (d) capacitor
10. 10.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a circle with V inside (d) a straight line
11. 11.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) switch (b) resistor (c) battery (d) ammeter
12. 12.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a small empty box (c) a long and a short line (d) a dot where wires meet
13. 13.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) voltmeter (c) LED (d) cell
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) motor (c) bulb (d) junction
15. 15.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
16. 16.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) diode (c) wire (d) cell
18. 18.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) switch (d) voltmeter
19. 19.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a line lifted at a gap (c) a circle with M inside (d) triangle against a bar
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
21. 21.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a long and a short line (c) triangle against a bar (d) a circle with M inside
22. 22.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
23. 23.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) two or more cell symbols (c) a line lifted at a gap (d) a circle with an X in it
24. 24.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) one tall, one short bar (c) two equal parallel lines (d) a small empty box
25. 25.True or false: a dot where wires meet is the symbol for an LED. (a) False (b) True
26. 26.True or false: two or more cell symbols is the symbol for a bulb. (a) False (b) True
27. 27.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
28. 28.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
29. 29.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) capacitor (c) resistor (d) LED
31. 31.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
32. 32.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
33. 33.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a straight line (c) a dot where wires meet (d) a circle with A inside
34. 34.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) one tall, one short bar (c) triangle, bar and arrows (d) a plain rectangle
35. 35.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) many long-short pairs (c) a straight line (d) a circle with V inside
36. 36.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a straight line (c) a circle with an X in it (d) a circle with A inside
37. 37.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
38. 38.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) junction (c) capacitor (d) cell
40. 40.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True

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