Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 179 · 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 a dot where wires meet? (a) switch (b) ammeter (c) bulb (d) junction
2. 2.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a small empty box (c) a circle with a cross (d) two or more cell symbols
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) junction (c) diode (d) cell
4. 4.Which drawing is the symbol for a diode? (a) triangle against a bar (b) one tall, one short bar (c) two equal parallel lines (d) a circle with an X in it
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) motor (c) bulb (d) junction
6. 6.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a plain rectangle (c) a circle with a cross (d) a circle with M inside
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
8. 8.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a plain rectangle (c) a line lifted at a gap (d) a dot where wires meet
9. 9.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) junction (d) voltmeter
11. 11.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with an X in it (c) one tall, one short bar (d) a small empty box
12. 12.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) motor (c) resistor (d) ammeter
14. 14.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) junction (c) switch (d) battery
15. 15.✏️ 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
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) ammeter (c) cell (d) LED
18. 18.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
19. 19.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
20. 20.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) triangle against a bar (c) many long-short pairs (d) two or more cell symbols
21. 21.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) diode (c) battery (d) ammeter
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) ammeter (d) resistor
24. 24.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) a long and a short line (c) a circle with an X in it (d) a straight line
25. 25.True or false: triangle against a bar is the symbol for a voltmeter. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) cell (d) capacitor
27. 27.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) a circle with A inside (c) a straight line (d) a long and a short line
28. 28.True or false: a circle with M inside is the symbol for a junction. (a) True (b) False
29. 29.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
30. 30.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) triangle, bar and arrows (c) a circle with a cross (d) two or more cell symbols
31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) capacitor (c) LED (d) motor
32. 32.True or false: a dot where wires meet is the symbol for a diode. (a) False (b) True
33. 33.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
34. 34.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a long and a short line (c) a straight line (d) a circle with an X in it
35. 35.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) voltmeter (c) wire (d) motor
36. 36.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
37. 37.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) triangle, bar and arrows (c) a circle with M inside (d) a line lifted at a gap
38. 38.True or false: a long and a short line is the symbol for a capacitor. (a) True (b) False
39. 39.True or false: a line lifted at a gap is the symbol for a cell. (a) True (b) False
40. 40.True or false: a long and a short line is the symbol for a battery. (a) True (b) False

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