Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 660 · 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) many long-short pairs (b) a small empty box (c) triangle against a bar (d) a circle with A inside
2. 2.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) wire (c) bulb (d) cell
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) cell (c) resistor (d) switch
5. 5.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) cell (c) junction (d) diode
6. 6.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) triangle against a bar (c) a long and a short line (d) a line lifted at a gap
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) switch (c) resistor (d) junction
8. 8.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
10. 10.True or false: a small empty box is the symbol for a motor. (a) False (b) True
11. 11.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
12. 12.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
13. 13.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) a long and a short line (d) one tall, one short bar
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) cell (c) diode (d) motor
15. 15.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) switch (d) motor
17. 17.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) wire (c) ammeter (d) capacitor
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) battery (c) capacitor (d) diode
20. 20.Which drawing is the symbol for a cell? (a) a plain rectangle (b) two or more cell symbols (c) triangle, bar and arrows (d) one tall, one short bar
21. 21.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) a long and a short line (c) a circle with an X in it (d) triangle, bar and arrows
22. 22.True or false: a circle with a cross is the symbol for a battery. (a) True (b) False
23. 23.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a long and a short line (c) triangle against a bar (d) a circle with an X in it
24. 24.Which drawing is the symbol for a wire? (a) a small empty box (b) a circle with M inside (c) a straight line (d) a circle with an X in it
25. 25.True or false: triangle against a bar is the symbol for a resistor. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) bulb (c) wire (d) cell
27. 27.Which drawing is the symbol for a diode? (a) two equal parallel lines (b) two or more cell symbols (c) a circle with a cross (d) triangle against a bar
28. 28.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) cell (c) capacitor (d) wire
29. 29.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) bulb (c) junction (d) motor
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) resistor (b) cell (c) LED (d) bulb
32. 32.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with A inside (c) a long and a short line (d) a circle with M inside
33. 33.True or false: a circle with an X in it is the symbol for an ammeter. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) resistor (c) wire (d) capacitor
35. 35.True or false: one tall, one short bar is the symbol for a voltmeter. (a) False (b) True
36. 36.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) LED (c) wire (d) capacitor
38. 38.True or false: a small empty box is the symbol for a voltmeter. (a) False (b) True
39. 39.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
40. 40.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a line lifted at a gap (c) a straight line (d) two equal parallel lines

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