Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 228 · 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 battery? (a) two or more cell symbols (b) a circle with V inside (c) a long and a short line (d) a circle with M inside
2. 2.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) voltmeter (b) wire (c) capacitor (d) ammeter
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
4. 4.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
5. 5.True or false: two equal parallel lines is the symbol for a diode. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) wire (c) battery (d) switch
7. 7.✏️ 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
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) voltmeter (c) switch (d) capacitor
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) motor (c) battery (d) resistor
10. 10.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a straight line (c) a line lifted at a gap (d) many long-short pairs
11. 11.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) switch (c) cell (d) LED
12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) wire (d) switch
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
14. 14.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) diode (c) battery (d) junction
15. 15.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
16. 16.True or false: a circle with A inside is the symbol for an LED. (a) True (b) False
17. 17.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) ammeter (c) voltmeter (d) junction
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) ammeter (c) battery (d) resistor
20. 20.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) a plain rectangle (c) two equal parallel lines (d) triangle against a bar
21. 21.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a long and a short line (c) a circle with A inside (d) a dot where wires meet
22. 22.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a dot where wires meet (c) triangle, bar and arrows (d) many long-short pairs
23. 23.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) wire (c) LED (d) ammeter
24. 24.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
25. 25.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a circle with an X in it (c) a circle with V inside (d) a straight line
26. 26.Which drawing is the symbol for a resistor? (a) a long and a short line (b) two or more cell symbols (c) a small empty box (d) many long-short pairs
27. 27.True or false: a straight line is the symbol for a capacitor. (a) True (b) False
28. 28.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with A inside (c) a long and a short line (d) a circle with V inside
29. 29.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) voltmeter (c) resistor (d) switch
31. 31.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
32. 32.True or false: triangle, bar and arrows is the symbol for a wire. (a) False (b) True
33. 33.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a long and a short line (c) a dot where wires meet (d) a line lifted at a gap
34. 34.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a dot where wires meet (c) a circle with A inside (d) a straight line
35. 35.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
36. 36.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a straight line (c) a circle with a cross (d) many long-short pairs
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) junction (c) LED (d) bulb
38. 38.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False
39. 39.Which drawing is the symbol for a cell? (a) a small empty box (b) one tall, one short bar (c) a circle with A inside (d) a circle with V inside
40. 40.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two equal parallel lines (c) a small empty box (d) a circle with a cross

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