Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 469 · 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 LED? (a) a circle with V inside (b) triangle, bar and arrows (c) two or more cell symbols (d) a plain rectangle
2. 2.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) cell (c) resistor (d) battery
4. 4.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) cell (c) junction (d) capacitor
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) the shorter line (d) neither line
6. 6.Which drawing is the symbol for a wire? (a) a straight line (b) a circle with a cross (c) two equal parallel lines (d) a circle with M inside
7. 7.True or false: a dot where wires meet is the symbol for an LED. (a) True (b) False
8. 8.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a long and a short line (c) two or more cell symbols (d) a circle with a cross
9. 9.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) symbols are heavier (d) to make it colourful
10. 10.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
11. 11.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) two or more cell symbols (c) triangle, bar and arrows (d) a circle with V inside
12. 12.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
13. 13.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a small empty box (c) many long-short pairs (d) two or more cell symbols
14. 14.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) switch (c) cell (d) LED
15. 15.True or false: a circle with V inside is the symbol for a capacitor. (a) False (b) True
16. 16.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with an X in it (d) one tall, one short bar
17. 17.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) resistor (c) cell (d) capacitor
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) diode (c) resistor (d) bulb
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) capacitor (b) bulb (c) resistor (d) battery
21. 21.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) battery (c) bulb (d) capacitor
22. 22.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) wire (c) motor (d) diode
23. 23.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
24. 24.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) diode (c) voltmeter (d) wire
26. 26.Which drawing is the symbol for a cell? (a) a long and a short line (b) a straight line (c) a line lifted at a gap (d) two or more cell symbols
27. 27.Which drawing is the symbol for a motor? (a) a straight line (b) a long and a short line (c) a plain rectangle (d) a circle with M inside
28. 28.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) many long-short pairs (c) a circle with M inside (d) a long and a short line
29. 29.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
30. 30.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) capacitor (c) LED (d) battery
32. 32.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a line lifted at a gap (c) one tall, one short bar (d) a circle with an X in it
33. 33.True or false: a circle with A inside is the symbol for a switch. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) voltmeter (c) ammeter (d) junction
35. 35.True or false: a circle with an X in it is the symbol for a wire. (a) False (b) True
36. 36.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a long and a short line (c) a circle with an X in it (d) a plain rectangle
37. 37.True or false: a circle with M inside is the symbol for a diode. (a) True (b) False
38. 38.Which drawing is the symbol for a junction? (a) a plain rectangle (b) triangle against a bar (c) a dot where wires meet (d) triangle, bar and arrows
39. 39.True or false: a long and a short line is the symbol for an ammeter. (a) True (b) False
40. 40.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle, bar and arrows (c) a circle with A inside (d) a small empty box

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