Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 210 · 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 a circle with V inside? (a) resistor (b) battery (c) voltmeter (d) diode
2. 2.Which drawing is the symbol for a motor? (a) many long-short pairs (b) a circle with M inside (c) two or more cell symbols (d) a plain rectangle
3. 3.Which drawing is the symbol for an LED? (a) a circle with M inside (b) two or more cell symbols (c) a circle with a cross (d) triangle, bar and arrows
4. 4.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) battery (c) ammeter (d) voltmeter
5. 5.Which drawing is the symbol for a cell? (a) a circle with a cross (b) one tall, one short bar (c) a line lifted at a gap (d) a plain rectangle
6. 6.Which drawing is the symbol for a junction? (a) a small empty box (b) triangle, bar and arrows (c) a circle with a cross (d) a dot where wires meet
7. 7.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) bulb (c) LED (d) switch
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
10. 10.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) triangle against a bar (c) a plain rectangle (d) two equal parallel lines
11. 11.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) motor (c) resistor (d) wire
13. 13.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
14. 14.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
15. 15.Which drawing is the symbol for a diode? (a) a line lifted at a gap (b) a small empty box (c) triangle against a bar (d) a dot where wires meet
16. 16.True or false: a circle with V inside is the symbol for an LED. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) battery (c) bulb (d) junction
18. 18.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) ammeter (c) junction (d) voltmeter
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) diode (c) cell (d) LED
20. 20.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) switch (c) bulb (d) resistor
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) resistor (c) junction (d) ammeter
22. 22.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) diode (c) switch (d) motor
24. 24.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
25. 25.True or false: a circle with V inside is the symbol for a resistor. (a) False (b) True
26. 26.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with A inside (c) a line lifted at a gap (d) a dot where wires meet
27. 27.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a circle with a cross (c) a small empty box (d) a line lifted at a gap
28. 28.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) two or more cell symbols (c) one tall, one short bar (d) a circle with a cross
29. 29.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
30. 30.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
31. 31.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) two or more cell symbols (c) a straight line (d) a circle with an X in it
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) bulb (c) voltmeter (d) resistor
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) wire (c) capacitor (d) bulb
34. 34.True or false: a circle with an X in it is the symbol for a capacitor. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) voltmeter (c) switch (d) battery
36. 36.True or false: a plain rectangle is the symbol for a bulb. (a) False (b) True
37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
38. 38.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
39. 39.Which drawing is the symbol for a wire? (a) a circle with M inside (b) a straight line (c) a small empty box (d) triangle, bar and arrows
40. 40.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a long and a short line (c) a small empty box (d) triangle against a bar

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