Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 864 · 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) a circle with an X in it (b) a line lifted at a gap (c) a straight line (d) a plain rectangle
2. 2.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a straight line (c) triangle, bar and arrows (d) two equal parallel lines
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) cell (c) ammeter (d) LED
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) wire (c) voltmeter (d) battery
5. 5.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) LED (c) switch (d) ammeter
6. 6.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) bulb (c) voltmeter (d) switch
7. 7.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
8. 8.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) many long-short pairs (c) triangle, bar and arrows (d) triangle against a bar
9. 9.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
10. 10.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
11. 11.True or false: a circle with a cross is the symbol for a voltmeter. (a) False (b) True
12. 12.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
13. 13.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) many long-short pairs (c) a plain rectangle (d) triangle against a bar
14. 14.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) voltmeter (d) ammeter
16. 16.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) switch (c) bulb (d) cell
17. 17.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) straight lines (d) wavy lines
18. 18.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
19. 19.True or false: two or more cell symbols is the symbol for a diode. (a) False (b) True
20. 20.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with M inside (c) a plain rectangle (d) a circle with A inside
21. 21.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) switch (c) resistor (d) battery
23. 23.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) LED (c) resistor (d) bulb
24. 24.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) battery (c) LED (d) junction
25. 25.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) voltmeter (c) LED (d) diode
26. 26.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
27. 27.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) motor (c) wire (d) bulb
29. 29.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a dot where wires meet (c) one tall, one short bar (d) a circle with an X in it
30. 30.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
31. 31.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
32. 32.Which drawing is the symbol for a battery? (a) a straight line (b) a circle with A inside (c) two or more cell symbols (d) one tall, one short bar
33. 33.Which drawing is the symbol for a battery? (a) a circle with A inside (b) many long-short pairs (c) a circle with V inside (d) two equal parallel lines
34. 34.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) two or more cell symbols (c) a small empty box (d) a circle with a cross
35. 35.Which drawing is the symbol for a cell? (a) a straight line (b) a circle with V inside (c) one tall, one short bar (d) triangle, bar and arrows
36. 36.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) switch (c) capacitor (d) motor
37. 37.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) voltmeter (c) cell (d) junction
38. 38.True or false: a circle with an X in it is the symbol for a motor. (a) True (b) False
39. 39.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a small empty box (c) a circle with M inside (d) a circle with V inside
40. 40.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) battery (c) junction (d) switch

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