Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 634 · 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.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) two or more cell symbols (c) a small empty box (d) a circle with A inside
2. 2.True or false: a straight line is the symbol for a wire. (a) True (b) False
3. 3.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a plain rectangle (c) a dot where wires meet (d) triangle against a bar
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) bulb (d) cell
5. 5.Which drawing is the symbol for a junction? (a) a small empty box (b) a dot where wires meet (c) a circle with V inside (d) a straight line
6. 6.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
7. 7.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a line lifted at a gap (c) a circle with V inside (d) triangle, bar and arrows
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) voltmeter (c) diode (d) cell
9. 9.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
10. 10.True or false: a dot where wires meet is the symbol for a diode. (a) True (b) False
11. 11.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) two equal parallel lines (c) a circle with M inside (d) a long and a short line
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
13. 13.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
14. 14.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) switch (c) battery (d) diode
16. 16.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) cell (c) LED (d) resistor
17. 17.True or false: a small empty box is the symbol for a switch. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) battery (c) cell (d) switch
19. 19.Which drawing is the symbol for a wire? (a) triangle against a bar (b) two equal parallel lines (c) a straight line (d) a circle with M inside
20. 20.True or false: many long-short pairs is the symbol for an ammeter. (a) False (b) True
21. 21.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) one tall, one short bar (c) two or more cell symbols (d) a long and a short line
22. 22.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) wire (c) battery (d) bulb
24. 24.Which drawing is the symbol for a bulb? (a) a small empty box (b) many long-short pairs (c) two or more cell symbols (d) a circle with a cross
25. 25.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a small empty box (c) a circle with V inside (d) a dot where wires meet
26. 26.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) resistor (c) motor (d) junction
27. 27.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with a cross (c) a straight line (d) a long and a short line
28. 28.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) wire (c) junction (d) cell
30. 30.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a small empty box (c) two or more cell symbols (d) a circle with M inside
31. 31.Which drawing is the symbol for a cell? (a) a circle with V inside (b) one tall, one short bar (c) a circle with a cross (d) a small empty box
32. 32.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a dot where wires meet (c) a plain rectangle (d) many long-short pairs
33. 33.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
34. 34.True or false: a straight line is the symbol for a capacitor. (a) True (b) False
35. 35.True or false: a plain rectangle is the symbol for a bulb. (a) False (b) True
36. 36.True or false: a long and a short line is the symbol for a junction. (a) True (b) False
37. 37.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
38. 38.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a circle with M inside (c) a long and a short line (d) a plain rectangle
39. 39.True or false: a straight line is the symbol for a diode. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) junction (c) battery (d) resistor

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