Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 217 · 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 circle with V inside? (a) bulb (b) ammeter (c) voltmeter (d) diode
2. 2.Which drawing is the symbol for a cell? (a) a small empty box (b) a line lifted at a gap (c) a long and a short line (d) two equal parallel lines
3. 3.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) capacitor (c) ammeter (d) wire
4. 4.True or false: a circle with V inside is the symbol for a wire. (a) False (b) True
5. 5.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with A inside (c) two equal parallel lines (d) one tall, one short bar
6. 6.True or false: a long and a short line is the symbol for a motor. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) voltmeter (c) bulb (d) junction
8. 8.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) LED (c) battery (d) resistor
9. 9.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) junction (c) capacitor (d) cell
10. 10.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) LED (c) capacitor (d) motor
11. 11.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
12. 12.True or false: a long and a short line is the symbol for an ammeter. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) wire (d) voltmeter
14. 14.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
15. 15.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) diode (c) battery (d) motor
16. 16.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) a line lifted at a gap (c) triangle against a bar (d) two or more cell symbols
17. 17.True or false: many long-short pairs is the symbol for a capacitor. (a) True (b) False
18. 18.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with V inside (c) a long and a short line (d) two equal parallel lines
19. 19.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) voltmeter (b) resistor (c) wire (d) battery
20. 20.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
21. 21.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a plain rectangle (c) two or more cell symbols (d) a circle with M inside
22. 22.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) a circle with V inside (c) a circle with M inside (d) two or more cell symbols
23. 23.True or false: a circle with M inside is the symbol for a bulb. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) ammeter (c) wire (d) resistor
25. 25.True or false: a line lifted at a gap is the symbol for a diode. (a) False (b) True
26. 26.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
27. 27.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) a dot where wires meet (c) a long and a short line (d) two equal parallel lines
28. 28.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with M inside (c) a circle with a cross (d) a long and a short line
29. 29.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) wire (c) junction (d) cell
30. 30.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) bulb (c) voltmeter (d) battery
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) wire (c) switch (d) battery
32. 32.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
33. 33.True or false: a straight line is the symbol for a wire. (a) True (b) False
34. 34.True or false: one tall, one short bar is the symbol for a capacitor. (a) False (b) True
35. 35.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a straight line (c) a circle with A inside (d) two or more cell symbols
36. 36.Which drawing is the symbol for an LED? (a) a small empty box (b) two equal parallel lines (c) a circle with an X in it (d) triangle, bar and arrows
37. 37.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
38. 38.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a dot where wires meet (c) a long and a short line (d) two or more cell symbols
39. 39.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) switch (c) battery (d) capacitor
40. 40.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a small empty box (c) a circle with A inside (d) a dot where wires meet

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