Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 727 · 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.True or false: triangle, bar and arrows is the symbol for a resistor. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) motor (c) wire (d) cell
3. 3.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
4. 4.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) motor (c) voltmeter (d) ammeter
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) voltmeter (c) ammeter (d) battery
8. 8.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) one tall, one short bar (c) many long-short pairs (d) triangle against a bar
9. 9.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) junction (c) cell (d) capacitor
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) resistor (c) LED (d) junction
12. 12.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) resistor (c) motor (d) junction
13. 13.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) bulb (c) switch (d) battery
14. 14.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) diode (c) capacitor (d) bulb
15. 15.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
16. 16.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) triangle against a bar (c) a circle with A inside (d) a circle with V inside
17. 17.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) triangle against a bar (c) one tall, one short bar (d) two or more cell symbols
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
19. 19.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) triangle against a bar (c) two equal parallel lines (d) a circle with a cross
20. 20.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with A inside (c) a long and a short line (d) a circle with a cross
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) capacitor (c) resistor (d) ammeter
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) LED (d) resistor
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) motor (c) wire (d) battery
24. 24.Which drawing is the symbol for a cell? (a) many long-short pairs (b) one tall, one short bar (c) a small empty box (d) two equal parallel lines
25. 25.Which drawing is the symbol for a battery? (a) a straight line (b) two or more cell symbols (c) a line lifted at a gap (d) a long and a short line
26. 26.True or false: a circle with M inside is the symbol for a wire. (a) True (b) False
27. 27.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a circle with V inside (c) a circle with an X in it (d) a small empty box
28. 28.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) a circle with a cross (d) a line lifted at a gap
29. 29.True or false: a long and a short line is the symbol for a junction. (a) False (b) True
30. 30.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) ammeter (c) wire (d) bulb
32. 32.Which drawing is the symbol for a switch? (a) triangle against a bar (b) triangle, bar and arrows (c) a line lifted at a gap (d) many long-short pairs
33. 33.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) one tall, one short bar (c) a straight line (d) a circle with a cross
34. 34.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) motor (c) ammeter (d) cell
35. 35.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
36. 36.Which drawing is the symbol for a bulb? (a) a small empty box (b) two equal parallel lines (c) a straight line (d) a circle with an X in it
37. 37.True or false: a circle with an X in it is the symbol for a capacitor. (a) False (b) True
38. 38.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
39. 39.True or false: triangle against a bar is the symbol for a battery. (a) False (b) True
40. 40.True or false: a straight line is the symbol for a wire. (a) True (b) False

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