Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 730 · 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 switch? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with an X in it (d) two equal parallel lines
2. 2.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
3. 3.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) battery (c) cell (d) voltmeter
4. 4.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a circle with an X in it (c) a small empty box (d) one tall, one short bar
5. 5.✏️ In a circuit diagram, which part is drawn as a straight line? (a) voltmeter (b) wire (c) switch (d) cell
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
7. 7.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a circle with an X in it (c) a dot where wires meet (d) triangle, bar and arrows
8. 8.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with a cross (c) many long-short pairs (d) triangle against a bar
9. 9.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a circle with M inside (c) a circle with A inside (d) one tall, one short bar
10. 10.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) switch (c) battery (d) diode
11. 11.Which drawing is the symbol for a battery? (a) a circle with a cross (b) triangle, bar and arrows (c) two or more cell symbols (d) one tall, one short bar
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) resistor (c) LED (d) bulb
13. 13.True or false: a circle with M inside is the symbol for a diode. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) ammeter (c) battery (d) switch
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) capacitor (c) battery (d) voltmeter
16. 16.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) resistor (c) wire (d) cell
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) bulb (c) switch (d) ammeter
18. 18.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a straight line (c) a long and a short line (d) a circle with an X in it
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) ammeter (c) cell (d) capacitor
20. 20.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
21. 21.True or false: triangle, bar and arrows is the symbol for a switch. (a) True (b) False
22. 22.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
23. 23.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
24. 24.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) one tall, one short bar (c) a straight line (d) two equal parallel lines
25. 25.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) battery (c) diode (d) capacitor
26. 26.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with V inside (c) a long and a short line (d) many long-short pairs
27. 27.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) bulb (c) resistor (d) battery
28. 28.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a line lifted at a gap (c) a small empty box (d) one tall, one short bar
29. 29.True or false: a small empty box is the symbol for a junction. (a) True (b) False
30. 30.Which drawing is the symbol for a motor? (a) a long and a short line (b) a circle with M inside (c) a circle with A inside (d) a circle with an X in it
31. 31.True or false: a circle with an X in it is the symbol for a battery. (a) False (b) True
32. 32.True or false: a circle with a cross is the symbol for a capacitor. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) motor (c) junction (d) battery
34. 34.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
35. 35.True or false: a circle with V inside is the symbol for a diode. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) voltmeter (c) motor (d) diode
37. 37.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) a long and a short line (c) a circle with an X in it (d) many long-short pairs
38. 38.True or false: a dot where wires meet is the symbol for a motor. (a) False (b) True
39. 39.Which drawing is the symbol for a diode? (a) triangle against a bar (b) triangle, bar and arrows (c) two or more cell symbols (d) a circle with M inside
40. 40.True or false: a dot where wires meet is the symbol for a switch. (a) False (b) True

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