Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 790 · 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.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) switch (c) bulb (d) voltmeter
3. 3.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) two equal parallel lines (c) one tall, one short bar (d) a circle with A inside
4. 4.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) triangle, bar and arrows (c) a circle with V inside (d) a line lifted at a gap
5. 5.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
7. 7.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) one tall, one short bar (c) triangle, bar and arrows (d) triangle against a bar
8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) capacitor (c) motor (d) junction
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) resistor (c) motor (d) LED
10. 10.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
11. 11.✏️ 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
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) bulb (c) switch (d) wire
13. 13.Which drawing is the symbol for a switch? (a) a long and a short line (b) triangle, bar and arrows (c) a line lifted at a gap (d) a circle with M inside
14. 14.True or false: one tall, one short bar is the symbol for a resistor. (a) False (b) True
15. 15.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a circle with A inside (d) two or more cell symbols
16. 16.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
17. 17.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) battery (c) cell (d) bulb
18. 18.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) motor (c) battery (d) switch
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) diode (c) bulb (d) wire
20. 20.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) junction (c) capacitor (d) cell
21. 21.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) LED (b) cell (c) ammeter (d) voltmeter
23. 23.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
24. 24.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
25. 25.True or false: a straight line is the symbol for a diode. (a) True (b) False
26. 26.True or false: triangle, bar and arrows is the symbol for a wire. (a) False (b) True
27. 27.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) triangle, bar and arrows (c) two equal parallel lines (d) a small empty box
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) resistor (c) motor (d) capacitor
29. 29.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) cell (c) resistor (d) junction
30. 30.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
31. 31.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) two equal parallel lines (c) triangle against a bar (d) triangle, bar and arrows
32. 32.True or false: a circle with a cross is the symbol for a voltmeter. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) diode (c) motor (d) resistor
34. 34.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
35. 35.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
36. 36.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) bulb (c) LED (d) voltmeter
38. 38.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
39. 39.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a long and a short line (c) triangle, bar and arrows (d) a circle with M inside
40. 40.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a circle with A inside (c) a long and a short line (d) a straight line

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