Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 852 · 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, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
2. 2.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) resistor (c) voltmeter (d) switch
3. 3.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) cell (c) ammeter (d) voltmeter
4. 4.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) motor (c) voltmeter (d) capacitor
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
6. 6.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two equal parallel lines (c) one tall, one short bar (d) triangle, bar and arrows
7. 7.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
8. 8.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
9. 9.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
10. 10.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) triangle, bar and arrows (c) a circle with M inside (d) many long-short pairs
11. 11.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
12. 12.True or false: a circle with M inside is the symbol for a cell. (a) False (b) True
13. 13.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a small empty box (c) a circle with V inside (d) a line lifted at a gap
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) bulb (c) battery (d) diode
15. 15.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
16. 16.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
17. 17.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a line lifted at a gap (c) a circle with an X in it (d) a plain rectangle
18. 18.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) voltmeter (c) resistor (d) diode
19. 19.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a circle with A inside (c) triangle, bar and arrows (d) a long and a short line
20. 20.Which drawing is the symbol for a junction? (a) a small empty box (b) a circle with A inside (c) a line lifted at a gap (d) a dot where wires meet
21. 21.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
22. 22.Which drawing is the symbol for a wire? (a) a plain rectangle (b) a dot where wires meet (c) a straight line (d) a small empty box
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) battery (c) switch (d) resistor
24. 24.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a long and a short line (c) a circle with an X in it (d) two or more cell symbols
25. 25.True or false: a long and a short line is the symbol for a capacitor. (a) True (b) False
26. 26.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with M inside
27. 27.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
28. 28.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) True (b) False
29. 29.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
30. 30.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a straight line (c) a circle with M inside (d) a line lifted at a gap
31. 31.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) cell (c) voltmeter (d) junction
32. 32.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) resistor (c) bulb (d) diode
34. 34.True or false: a straight line is the symbol for a cell. (a) False (b) True
35. 35.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
36. 36.True or false: a dot where wires meet is the symbol for a voltmeter. (a) True (b) False
37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) diode (c) bulb (d) cell
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) bulb (c) switch (d) junction
40. 40.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False

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