Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 949 · 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 A inside? (a) voltmeter (b) ammeter (c) motor (d) capacitor
2. 2.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) both lines (d) the shorter line
4. 4.True or false: a straight line is the symbol for a battery. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) resistor (c) battery (d) wire
6. 6.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a line lifted at a gap (c) many long-short pairs (d) a circle with a cross
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) battery (c) motor (d) voltmeter
8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) cell (c) bulb (d) wire
9. 9.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) one tall, one short bar (c) a circle with a cross (d) two equal parallel lines
10. 10.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
11. 11.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
12. 12.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) triangle against a bar (c) a circle with a cross (d) a small empty box
13. 13.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) capacitor (c) bulb (d) ammeter
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) switch (c) capacitor (d) bulb
15. 15.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) triangle against a bar (c) a circle with A inside (d) a line lifted at a gap
16. 16.True or false: a small empty box is the symbol for a cell. (a) True (b) False
17. 17.Which drawing is the symbol for an LED? (a) many long-short pairs (b) one tall, one short bar (c) triangle, bar and arrows (d) a circle with a cross
18. 18.True or false: a line lifted at a gap is the symbol for an ammeter. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) capacitor (c) bulb (d) junction
20. 20.Which drawing is the symbol for a battery? (a) a circle with M inside (b) two or more cell symbols (c) a long and a short line (d) a line lifted at a gap
21. 21.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) bulb (c) battery (d) motor
22. 22.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
24. 24.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) battery (c) ammeter (d) motor
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) voltmeter (c) battery (d) switch
26. 26.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) LED (c) voltmeter (d) battery
27. 27.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) one tall, one short bar (c) a plain rectangle (d) a circle with V inside
28. 28.True or false: a straight line is the symbol for a wire. (a) True (b) False
29. 29.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a circle with A inside (c) many long-short pairs (d) a straight line
30. 30.True or false: one tall, one short bar is the symbol for an LED. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) diode (c) wire (d) junction
32. 32.True or false: a circle with an X in it is the symbol for a diode. (a) False (b) True
33. 33.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a long and a short line (c) a circle with A inside (d) a small empty box
34. 34.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
35. 35.Which drawing is the symbol for a diode? (a) triangle against a bar (b) many long-short pairs (c) a small empty box (d) a line lifted at a gap
36. 36.True or false: a circle with V inside is the symbol for a diode. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) voltmeter (c) bulb (d) cell
38. 38.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) battery (c) resistor (d) ammeter
39. 39.True or false: a dot where wires meet is the symbol for a cell. (a) False (b) True
40. 40.True or false: a small empty box is the symbol for a battery. (a) True (b) False

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