Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 126 · 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 a junction? (a) a plain rectangle (b) a circle with a cross (c) one tall, one short bar (d) a dot where wires meet
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 circle with V inside (c) a plain rectangle (d) two equal parallel lines
4. 4.True or false: a long and a short line is the symbol for a motor. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) diode (c) battery (d) switch
6. 6.Which drawing is the symbol for a motor? (a) a circle with V inside (b) two equal parallel lines (c) a dot where wires meet (d) a circle with M inside
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
8. 8.Which drawing is the symbol for a cell? (a) a straight line (b) one tall, one short bar (c) triangle, bar and arrows (d) many long-short pairs
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) voltmeter (c) bulb (d) LED
10. 10.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) junction (c) capacitor (d) voltmeter
12. 12.✏️ 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
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) cell (c) switch (d) motor
14. 14.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) resistor (c) battery (d) diode
15. 15.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) the shorter line (d) both lines
16. 16.True or false: many long-short pairs is the symbol for a voltmeter. (a) False (b) True
17. 17.Which drawing is the symbol for a cell? (a) a circle with V inside (b) triangle, bar and arrows (c) a long and a short line (d) a small empty box
18. 18.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with A inside (d) a circle with M inside
19. 19.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) cell (c) capacitor (d) wire
20. 20.True or false: a small empty box is the symbol for an LED. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) cell (c) LED (d) junction
22. 22.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
23. 23.True or false: a circle with an X in it is the symbol for a voltmeter. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) cell (c) switch (d) LED
25. 25.Which drawing is the symbol for a diode? (a) a small empty box (b) triangle, bar and arrows (c) triangle against a bar (d) a circle with an X in it
26. 26.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) junction (c) LED (d) voltmeter
27. 27.True or false: many long-short pairs is the symbol for a diode. (a) False (b) True
28. 28.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) battery (c) cell (d) switch
30. 30.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a line lifted at a gap (c) many long-short pairs (d) a small empty box
31. 31.True or false: a circle with A inside is the symbol for a battery. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) battery (c) motor (d) LED
33. 33.True or false: a circle with a cross is the symbol for a diode. (a) False (b) True
34. 34.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a plain rectangle (c) a circle with a cross (d) one tall, one short bar
35. 35.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
36. 36.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
37. 37.Which drawing is the symbol for an ammeter? (a) a circle with M inside (b) a plain rectangle (c) one tall, one short bar (d) a circle with A inside
38. 38.True or false: a long and a short line is the symbol for an LED. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) resistor (d) battery
40. 40.True or false: triangle, bar and arrows is the symbol for a diode. (a) True (b) False

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