Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 466 · 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, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
2. 2.True or false: a circle with V inside is the symbol for an LED. (a) False (b) True
3. 3.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a circle with M inside (c) many long-short pairs (d) a small empty box
4. 4.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a circle with an X in it (c) a circle with A inside (d) a straight line
5. 5.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with A inside (c) a circle with a cross (d) many long-short pairs
6. 6.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with an X in it (c) triangle, bar and arrows (d) a plain rectangle
7. 7.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) a small empty box (c) two or more cell symbols (d) a circle with A inside
8. 8.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) diode (c) ammeter (d) battery
9. 9.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) one tall, one short bar (c) triangle against a bar (d) a circle with an X in it
10. 10.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) one tall, one short bar (c) two equal parallel lines (d) triangle, bar and arrows
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) capacitor (c) voltmeter (d) diode
12. 12.True or false: a long and a short line is the symbol for a junction. (a) False (b) True
13. 13.True or false: a circle with an X in it is the symbol for a voltmeter. (a) True (b) False
14. 14.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two or more cell symbols (c) many long-short pairs (d) a circle with M inside
15. 15.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) voltmeter (c) capacitor (d) switch
16. 16.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a circle with M inside (c) a long and a short line (d) a line lifted at a gap
17. 17.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
18. 18.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
19. 19.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) battery (c) LED (d) switch
20. 20.True or false: two equal parallel lines is the symbol for a bulb. (a) False (b) True
21. 21.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
22. 22.True or false: a straight line is the symbol for a wire. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) wire (c) ammeter (d) cell
24. 24.True or false: triangle, bar and arrows is the symbol for a wire. (a) True (b) False
25. 25.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a line lifted at a gap (c) one tall, one short bar (d) many long-short pairs
26. 26.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit
27. 27.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
28. 28.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
29. 29.True or false: a circle with V inside is the symbol for a wire. (a) False (b) True
30. 30.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
31. 31.True or false: triangle against a bar is the symbol for an LED. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) cell (c) LED (d) switch
33. 33.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) ammeter (c) battery (d) wire
35. 35.True or false: two or more cell symbols is the symbol for a junction. (a) True (b) False
36. 36.True or false: triangle against a bar is the symbol for a wire. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) cell (c) resistor (d) voltmeter
38. 38.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) one tall, one short bar (c) triangle, bar and arrows (d) a small empty box
39. 39.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) one tall, one short bar (c) many long-short pairs (d) a dot where wires meet
40. 40.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) junction (c) battery (d) motor

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