Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 658 · 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 cross? (a) battery (b) bulb (c) motor (d) capacitor
2. 2.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
3. 3.Which drawing is the symbol for a bulb? (a) a straight line (b) a plain rectangle (c) a circle with an X in it (d) triangle, bar and arrows
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
5. 5.True or false: many long-short pairs is the symbol for a resistor. (a) False (b) True
6. 6.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a circle with an X in it (c) a line lifted at a gap (d) a plain rectangle
7. 7.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) a small empty box (d) many long-short pairs
8. 8.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
9. 9.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a circle with A inside (c) one tall, one short bar (d) many long-short pairs
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.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) wire (c) switch (d) resistor
12. 12.Which drawing is the symbol for a cell? (a) a straight line (b) one tall, one short bar (c) a circle with a cross (d) two equal parallel lines
13. 13.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
14. 14.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) capacitor (c) wire (d) motor
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
17. 17.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
18. 18.Which drawing is the symbol for a wire? (a) a circle with a cross (b) a circle with M inside (c) a straight line (d) a circle with V inside
19. 19.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) ammeter (c) voltmeter (d) cell
20. 20.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) battery (c) LED (d) bulb
21. 21.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a circle with a cross (c) a long and a short line (d) triangle against a bar
22. 22.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) motor (d) LED
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) voltmeter (c) battery (d) motor
24. 24.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) bulb (c) cell (d) junction
25. 25.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) one tall, one short bar (c) a circle with M inside (d) a line lifted at a gap
26. 26.True or false: a circle with V inside is the symbol for a wire. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) voltmeter (c) switch (d) cell
28. 28.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
29. 29.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) two or more cell symbols (c) a plain rectangle (d) a line lifted at a gap
30. 30.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) True (b) False
31. 31.True or false: a straight line is the symbol for a wire. (a) True (b) False
32. 32.True or false: a dot where wires meet is the symbol for a voltmeter. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) ammeter (c) battery (d) switch
34. 34.True or false: a straight line is the symbol for a junction. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) voltmeter (c) capacitor (d) junction
36. 36.Which drawing is the symbol for a junction? (a) a line lifted at a gap (b) a circle with V inside (c) a straight line (d) a dot where wires meet
37. 37.True or false: a circle with M inside is the symbol for an ammeter. (a) True (b) False
38. 38.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with A inside (c) a line lifted at a gap (d) triangle against a bar
39. 39.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) battery (c) junction (d) capacitor

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