Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 814 · 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 one tall, one short bar? (a) bulb (b) resistor (c) junction (d) cell
2. 2.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
3. 3.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a circle with V inside (c) two equal parallel lines (d) a circle with A inside
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) capacitor (c) switch (d) wire
7. 7.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) motor (d) battery
8. 8.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) battery (c) diode (d) LED
9. 9.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) junction (c) switch (d) LED
11. 11.True or false: one tall, one short bar is the symbol for an LED. (a) True (b) False
12. 12.Which drawing is the symbol for a switch? (a) a plain rectangle (b) many long-short pairs (c) a circle with M inside (d) a line lifted at a gap
13. 13.Which drawing is the symbol for a junction? (a) a straight line (b) a long and a short line (c) a circle with A inside (d) a dot where wires meet
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.True or false: a straight line is the symbol for a switch. (a) True (b) False
16. 16.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) LED (c) resistor (d) motor
18. 18.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
19. 19.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a straight line (c) a dot where wires meet (d) a line lifted at a gap
20. 20.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) bulb (c) diode (d) switch
22. 22.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) two equal parallel lines (c) a circle with M inside (d) a straight line
23. 23.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
24. 24.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a plain rectangle (c) one tall, one short bar (d) a straight line
25. 25.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) diode (c) cell (d) switch
26. 26.Which drawing is the symbol for a battery? (a) a circle with A inside (b) a circle with a cross (c) two or more cell symbols (d) triangle, bar and arrows
27. 27.Which drawing is the symbol for a battery? (a) a circle with M inside (b) two equal parallel lines (c) a long and a short line (d) many long-short pairs
28. 28.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
29. 29.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) LED (c) capacitor (d) bulb
31. 31.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
32. 32.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a long and a short line (c) two or more cell symbols (d) a dot where wires meet
33. 33.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
34. 34.True or false: a straight line is the symbol for a wire. (a) False (b) True
35. 35.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) capacitor (c) cell (d) ammeter
37. 37.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) switch (c) LED (d) bulb
38. 38.True or false: many long-short pairs is the symbol for a motor. (a) False (b) True
39. 39.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) two or more cell symbols (c) many long-short pairs (d) a circle with V inside
40. 40.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) ammeter (c) bulb (d) motor

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