Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 828 · 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 cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
2. 2.Which drawing is the symbol for a wire? (a) a circle with V inside (b) a small empty box (c) one tall, one short bar (d) a straight line
3. 3.Which drawing is the symbol for an LED? (a) a straight line (b) a circle with M inside (c) a small empty box (d) triangle, bar and arrows
4. 4.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) a long and a short line (d) a circle with a cross
5. 5.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) bulb (c) LED (d) resistor
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
7. 7.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
8. 8.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
9. 9.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a circle with a cross (c) triangle, bar and arrows (d) a circle with M inside
10. 10.True or false: a circle with a cross is the symbol for a battery. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) voltmeter (c) bulb (d) wire
12. 12.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) triangle, bar and arrows (c) one tall, one short bar (d) a circle with A inside
13. 13.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) one tall, one short bar (c) triangle against a bar (d) many long-short pairs
14. 14.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) cell (c) junction (d) capacitor
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) wire (c) cell (d) motor
16. 16.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) wire (c) capacitor (d) battery
17. 17.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) two or more cell symbols (c) a line lifted at a gap (d) a circle with M inside
18. 18.Which drawing is the symbol for a cell? (a) a long and a short line (b) two or more cell symbols (c) many long-short pairs (d) a circle with a cross
19. 19.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) triangle against a bar (c) triangle, bar and arrows (d) a line lifted at a gap
20. 20.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) ammeter (c) capacitor (d) bulb
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) LED (c) junction (d) resistor
23. 23.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a line lifted at a gap (c) a circle with an X in it (d) two or more cell symbols
24. 24.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) ammeter (b) battery (c) voltmeter (d) motor
25. 25.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with a cross (c) a circle with A inside (d) many long-short pairs
26. 26.True or false: a long and a short line is the symbol for an LED. (a) False (b) True
27. 27.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with M inside (c) a small empty box (d) a dot where wires meet
28. 28.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
29. 29.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False
30. 30.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
31. 31.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) two equal parallel lines (c) triangle against a bar (d) a straight line
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) LED (c) diode (d) bulb
33. 33.Which drawing is the symbol for a battery? (a) a circle with A inside (b) a circle with an X in it (c) many long-short pairs (d) a dot where wires meet
34. 34.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
35. 35.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) many long-short pairs (c) a circle with V inside (d) a line lifted at a gap
36. 36.True or false: a circle with V inside is the symbol for a bulb. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) motor (c) voltmeter (d) resistor
38. 38.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) ammeter (c) resistor (d) junction
40. 40.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True

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