Electronics Worksheet: Circuit Symbols

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

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