Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 597 · 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.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a circle with A inside (c) triangle against a bar (d) a line lifted at a gap
2. 2.Which drawing is the symbol for a motor? (a) a small empty box (b) a circle with M inside (c) triangle against a bar (d) a long and a short line
3. 3.True or false: many long-short pairs is the symbol for a voltmeter. (a) False (b) True
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) voltmeter (c) cell (d) LED
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
6. 6.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) a circle with M inside (c) a long and a short line (d) two equal parallel lines
7. 7.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) triangle against a bar (c) a small empty box (d) two or more cell symbols
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
9. 9.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) a circle with V inside (c) a straight line (d) triangle, bar and arrows
10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) junction (c) cell (d) bulb
11. 11.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) voltmeter (c) bulb (d) junction
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
14. 14.Which drawing is the symbol for a battery? (a) a circle with A inside (b) a circle with M inside (c) many long-short pairs (d) one tall, one short bar
15. 15.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) capacitor (c) bulb (d) LED
16. 16.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
17. 17.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
18. 18.Which drawing is the symbol for a junction? (a) triangle against a bar (b) two or more cell symbols (c) a line lifted at a gap (d) a dot where wires meet
19. 19.Which drawing is the symbol for a wire? (a) a plain rectangle (b) one tall, one short bar (c) a circle with A inside (d) a straight line
20. 20.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) LED (c) switch (d) voltmeter
21. 21.True or false: a small empty box is the symbol for a capacitor. (a) False (b) True
22. 22.True or false: a plain rectangle is the symbol for a junction. (a) False (b) True
23. 23.Which drawing is the symbol for a diode? (a) a straight line (b) a long and a short line (c) triangle against a bar (d) a circle with a cross
24. 24.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) bulb (d) resistor
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) cell (c) LED (d) voltmeter
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) wire (c) ammeter (d) motor
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) capacitor (c) junction (d) resistor
28. 28.True or false: a plain rectangle is the symbol for a diode. (a) False (b) True
29. 29.Which drawing is the symbol for an LED? (a) a long and a short line (b) one tall, one short bar (c) a line lifted at a gap (d) triangle, bar and arrows
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) resistor (c) bulb (d) switch
31. 31.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) diode (c) battery (d) capacitor
33. 33.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
34. 34.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as a straight line? (a) voltmeter (b) resistor (c) wire (d) cell
36. 36.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) resistor (c) cell (d) ammeter
37. 37.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) bulb (c) junction (d) switch
39. 39.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) junction (c) voltmeter (d) motor
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) diode (c) wire (d) motor

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