Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 599 · 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 diode? (a) many long-short pairs (b) triangle against a bar (c) a plain rectangle (d) a circle with V inside
2. 2.True or false: a line lifted at a gap is the symbol for an LED. (a) True (b) False
3. 3.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a small empty box (c) a circle with a cross (d) a circle with V inside
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) capacitor (c) voltmeter (d) resistor
6. 6.Which drawing is the symbol for an LED? (a) a plain rectangle (b) two equal parallel lines (c) triangle, bar and arrows (d) a line lifted at a gap
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) wire (c) bulb (d) ammeter
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) battery (c) motor (d) bulb
9. 9.Which drawing is the symbol for a motor? (a) a straight line (b) triangle, bar and arrows (c) a circle with M inside (d) a small empty box
10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) voltmeter (d) battery
11. 11.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) ammeter (c) bulb (d) capacitor
13. 13.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a dot where wires meet (c) one tall, one short bar (d) a straight line
14. 14.✏️ In a circuit diagram, which part is drawn as a straight line? (a) voltmeter (b) cell (c) wire (d) switch
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) wavy lines (d) dotted circles
16. 16.Which drawing is the symbol for a cell? (a) a small empty box (b) many long-short pairs (c) two or more cell symbols (d) one tall, one short bar
17. 17.Which drawing is the symbol for a wire? (a) a straight line (b) many long-short pairs (c) a circle with an X in it (d) one tall, one short bar
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) ammeter (c) switch (d) LED
19. 19.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) junction (c) bulb (d) switch
20. 20.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
21. 21.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
22. 22.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a circle with a cross (c) a straight line (d) a circle with M inside
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) diode (c) bulb (d) ammeter
24. 24.Which drawing is the symbol for a junction? (a) a circle with a cross (b) a circle with M inside (c) one tall, one short bar (d) a dot where wires meet
25. 25.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) voltmeter (c) bulb (d) diode
26. 26.True or false: a plain rectangle is the symbol for a voltmeter. (a) False (b) True
27. 27.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
28. 28.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) resistor (b) diode (c) junction (d) battery
29. 29.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) cell (c) junction (d) diode
31. 31.True or false: a dot where wires meet is the symbol for a wire. (a) True (b) False
32. 32.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
33. 33.True or false: a circle with an X in it is the symbol for a switch. (a) False (b) True
34. 34.Which drawing is the symbol for an ammeter? (a) a straight line (b) a circle with a cross (c) two or more cell symbols (d) a circle with A inside
35. 35.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
36. 36.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a circle with a cross (c) many long-short pairs (d) a line lifted at a gap
37. 37.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
38. 38.True or false: one tall, one short bar is the symbol for a junction. (a) True (b) False
39. 39.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
40. 40.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False

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