Electronics Worksheet: Circuit Symbols

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

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