Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 773 · 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 two or more cell symbols? (a) battery (b) capacitor (c) switch (d) motor
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) bulb (c) resistor (d) ammeter
3. 3.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with M inside (d) a long and a short line
4. 4.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) a circle with A inside (d) many long-short pairs
5. 5.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
6. 6.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) many long-short pairs (c) a circle with V inside (d) one tall, one short bar
7. 7.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a dot where wires meet (c) a plain rectangle (d) triangle, bar and arrows
8. 8.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) one tall, one short bar (c) triangle against a bar (d) many long-short pairs
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) motor (c) voltmeter (d) diode
10. 10.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) battery (d) motor
13. 13.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) symbols are heavier (d) to make it colourful
14. 14.Which drawing is the symbol for a battery? (a) a small empty box (b) a line lifted at a gap (c) two or more cell symbols (d) a circle with an X in it
15. 15.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
16. 16.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) wire (c) junction (d) capacitor
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) diode (c) resistor (d) wire
19. 19.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with A inside (c) a plain rectangle (d) triangle against a bar
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) motor (c) bulb (d) LED
21. 21.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) many long-short pairs (c) a straight line (d) a circle with a cross
22. 22.Which drawing is the symbol for an LED? (a) a straight line (b) a circle with A inside (c) a circle with V inside (d) triangle, bar and arrows
23. 23.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) junction (c) diode (d) LED
24. 24.✏️ In a circuit diagram, which part is drawn as a straight line? (a) capacitor (b) resistor (c) bulb (d) wire
25. 25.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) resistor (c) voltmeter (d) cell
26. 26.True or false: a circle with V inside is the symbol for a capacitor. (a) True (b) False
27. 27.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with V inside (c) a circle with a cross (d) triangle, bar and arrows
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) voltmeter (c) bulb (d) resistor
29. 29.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) battery (c) capacitor (d) ammeter
30. 30.True or false: a straight line is the symbol for a cell. (a) True (b) False
31. 31.True or false: triangle against a bar is the symbol for a resistor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) junction (c) cell (d) capacitor
33. 33.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) diode (c) battery (d) cell
34. 34.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) bulb (c) motor (d) capacitor
36. 36.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) many long-short pairs (c) a line lifted at a gap (d) a circle with A inside
37. 37.True or false: a dot where wires meet is the symbol for a voltmeter. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) capacitor (c) junction (d) bulb
39. 39.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
40. 40.True or false: a line lifted at a gap is the symbol for a capacitor. (a) False (b) True

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