Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 123 · 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: two or more cell symbols is the symbol for a battery. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) junction (c) switch (d) motor
3. 3.Which drawing is the symbol for a diode? (a) a circle with A inside (b) a line lifted at a gap (c) many long-short pairs (d) triangle against a bar
4. 4.Which drawing is the symbol for a battery? (a) a straight line (b) a line lifted at a gap (c) two or more cell symbols (d) a circle with an X in it
5. 5.True or false: a plain rectangle is the symbol for a voltmeter. (a) False (b) True
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) cell (c) bulb (d) voltmeter
8. 8.Which drawing is the symbol for a cell? (a) a circle with A inside (b) two equal parallel lines (c) a circle with V inside (d) a long and a short line
9. 9.True or false: many long-short pairs is the symbol for a capacitor. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) switch (c) capacitor (d) ammeter
11. 11.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a circle with a cross (c) a circle with V inside (d) a straight line
12. 12.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) dotted circles (d) little stars
14. 14.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) two equal parallel lines (c) a circle with a cross (d) a small empty box
15. 15.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) a circle with an X in it (c) a circle with V inside (d) triangle, bar and arrows
16. 16.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a circle with a cross (c) a long and a short line (d) a small empty box
17. 17.True or false: a circle with a cross is the symbol for a switch. (a) False (b) True
18. 18.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a circle with a cross (c) one tall, one short bar (d) a circle with M inside
19. 19.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) bulb (c) battery (d) switch
20. 20.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with V inside (c) a circle with A inside (d) one tall, one short bar
21. 21.True or false: a plain rectangle is the symbol for a wire. (a) True (b) False
22. 22.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) battery (c) motor (d) cell
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) junction (c) diode (d) bulb
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) diode (c) cell (d) junction
26. 26.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) a circle with an X in it (c) two equal parallel lines (d) triangle, bar and arrows
27. 27.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) ammeter (d) battery
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) capacitor (c) ammeter (d) junction
29. 29.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) LED (c) resistor (d) cell
30. 30.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) two or more cell symbols (c) a circle with a cross (d) one tall, one short bar
31. 31.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) resistor (c) switch (d) battery
32. 32.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
33. 33.Which drawing is the symbol for an LED? (a) a line lifted at a gap (b) two equal parallel lines (c) triangle, bar and arrows (d) a circle with V inside
34. 34.True or false: one tall, one short bar is the symbol for a junction. (a) True (b) False
35. 35.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
36. 36.True or false: a circle with A inside is the symbol for a switch. (a) True (b) False
37. 37.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
38. 38.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) voltmeter (c) capacitor (d) battery
40. 40.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a straight line (c) two equal parallel lines (d) triangle against a bar

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