Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 363 · 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.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) battery (c) voltmeter (d) diode
2. 2.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) two or more cell symbols (c) a circle with M inside (d) a plain rectangle
3. 3.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
5. 5.Which drawing is the symbol for a wire? (a) a circle with V inside (b) a small empty box (c) a straight line (d) a circle with an X in it
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
7. 7.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) wire (c) switch (d) bulb
9. 9.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with M inside (c) triangle against a bar (d) a plain rectangle
10. 10.Which drawing is the symbol for a diode? (a) a long and a short line (b) triangle against a bar (c) a circle with an X in it (d) two or more cell symbols
11. 11.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a long and a short line (c) a small empty box (d) a straight line
12. 12.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with M inside (c) two or more cell symbols (d) one tall, one short bar
13. 13.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) motor (b) switch (c) bulb (d) junction
15. 15.True or false: a straight line is the symbol for a cell. (a) False (b) True
16. 16.True or false: many long-short pairs is the symbol for a capacitor. (a) True (b) False
17. 17.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) triangle, bar and arrows (c) two or more cell symbols (d) a circle with V inside
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) diode (c) junction (d) bulb
19. 19.Which drawing is the symbol for an LED? (a) a small empty box (b) a circle with V inside (c) a straight line (d) triangle, bar and arrows
20. 20.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
21. 21.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
22. 22.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
23. 23.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
24. 24.True or false: a small empty box is the symbol for a voltmeter. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) cell (c) switch (d) ammeter
26. 26.True or false: triangle, bar and arrows is the symbol for a switch. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) diode (c) resistor (d) wire
28. 28.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) resistor (c) switch (d) battery
29. 29.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) switch (c) LED (d) wire
30. 30.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) many long-short pairs (c) one tall, one short bar (d) triangle, bar and arrows
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) bulb (c) cell (d) voltmeter
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) junction (c) cell (d) ammeter
33. 33.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) motor (c) ammeter (d) LED
34. 34.True or false: a straight line is the symbol for a wire. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) battery (c) motor (d) wire
36. 36.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
37. 37.True or false: triangle against a bar is the symbol for a junction. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) voltmeter (b) ammeter (c) capacitor (d) battery
39. 39.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
40. 40.True or false: a small empty box is the symbol for a cell. (a) True (b) False

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