Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 893 · 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: a plain rectangle is the symbol for a resistor. (a) True (b) False
2. 2.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) bulb (c) ammeter (d) LED
4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) battery (c) diode (d) switch
5. 5.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) wire (c) LED (d) cell
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) ammeter (c) LED (d) cell
7. 7.Which drawing is the symbol for a diode? (a) a circle with M inside (b) a circle with A inside (c) triangle against a bar (d) two or more cell symbols
8. 8.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a long and a short line (c) a circle with V inside (d) two equal parallel lines
9. 9.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) cell (c) junction (d) ammeter
11. 11.True or false: a straight line is the symbol for a bulb. (a) False (b) True
12. 12.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
13. 13.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
14. 14.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) junction (c) diode (d) motor
16. 16.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) cell (d) motor
17. 17.Which drawing is the symbol for a capacitor? (a) a plain rectangle (b) a circle with V inside (c) triangle, bar and arrows (d) two equal parallel lines
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) resistor (d) wire
19. 19.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
20. 20.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
21. 21.True or false: a straight line is the symbol for a wire. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) junction (c) battery (d) motor
23. 23.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) cell (c) ammeter (d) switch
25. 25.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
26. 26.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
27. 27.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) triangle against a bar (c) many long-short pairs (d) a circle with a cross
28. 28.True or false: two or more cell symbols is the symbol for a junction. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) ammeter (c) LED (d) capacitor
30. 30.Which drawing is the symbol for a cell? (a) a long and a short line (b) a small empty box (c) two equal parallel lines (d) a circle with an X in it
31. 31.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) two equal parallel lines (c) a small empty box (d) many long-short pairs
32. 32.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
33. 33.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a small empty box (c) two equal parallel lines (d) a circle with V inside
34. 34.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) bulb (c) cell (d) capacitor
35. 35.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) battery (c) switch (d) ammeter
36. 36.True or false: triangle, bar and arrows is the symbol for a cell. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) cell (c) capacitor (d) motor
38. 38.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a dot where wires meet (c) triangle, bar and arrows (d) a circle with an X in it
39. 39.Which drawing is the symbol for a junction? (a) a small empty box (b) a line lifted at a gap (c) a dot where wires meet (d) a circle with A inside
40. 40.True or false: triangle against a bar is the symbol for a capacitor. (a) True (b) False

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