Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 482 · 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, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
2. 2.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) bulb (c) capacitor (d) cell
3. 3.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a circle with a cross (c) a dot where wires meet (d) a plain rectangle
4. 4.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
5. 5.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) junction (c) capacitor (d) cell
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
7. 7.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) resistor (c) bulb (d) diode
8. 8.True or false: many long-short pairs is the symbol for a diode. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) resistor (c) voltmeter (d) junction
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) ammeter (c) diode (d) resistor
11. 11.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with an X in it (c) triangle against a bar (d) a circle with M inside
12. 12.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) bulb (c) resistor (d) battery
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) bulb (c) motor (d) capacitor
14. 14.Which drawing is the symbol for a motor? (a) many long-short pairs (b) a circle with an X in it (c) a straight line (d) a circle with M inside
15. 15.True or false: a long and a short line is the symbol for a battery. (a) False (b) True
16. 16.Which drawing is the symbol for a cell? (a) a small empty box (b) a long and a short line (c) triangle, bar and arrows (d) a circle with V inside
17. 17.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) a line lifted at a gap (c) a circle with an X in it (d) a circle with V inside
18. 18.True or false: a circle with an X in it is the symbol for a battery. (a) False (b) True
19. 19.Which drawing is the symbol for a battery? (a) a circle with V inside (b) many long-short pairs (c) a plain rectangle (d) a circle with an X in it
20. 20.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
21. 21.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a circle with V inside (c) triangle against a bar (d) a small empty box
22. 22.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
23. 23.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) a straight line (c) two equal parallel lines (d) a dot where wires meet
24. 24.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) diode (c) bulb (d) voltmeter
26. 26.Which drawing is the symbol for a diode? (a) a circle with V inside (b) a circle with M inside (c) triangle against a bar (d) a long and a short line
27. 27.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) two or more cell symbols (c) a plain rectangle (d) a small empty box
28. 28.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) switch (c) battery (d) voltmeter
30. 30.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a plain rectangle (c) a circle with M inside (d) a circle with an X in it
31. 31.True or false: triangle, bar and arrows is the symbol for a cell. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) junction (b) bulb (c) resistor (d) ammeter
33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) switch (c) LED (d) cell
34. 34.Which drawing is the symbol for a resistor? (a) a small empty box (b) two or more cell symbols (c) a long and a short line (d) a circle with a cross
35. 35.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
36. 36.True or false: two or more cell symbols is the symbol for a diode. (a) True (b) False
37. 37.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
38. 38.Which drawing is the symbol for an LED? (a) a circle with M inside (b) a circle with A inside (c) triangle, bar and arrows (d) many long-short pairs
39. 39.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a small empty box (d) a straight line
40. 40.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) voltmeter (c) junction (d) wire

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