Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 588 · 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 junction? (a) two equal parallel lines (b) a dot where wires meet (c) two or more cell symbols (d) a long and a short line
2. 2.Which drawing is the symbol for a cell? (a) a circle with M inside (b) many long-short pairs (c) a dot where wires meet (d) a long and a short line
3. 3.Which drawing is the symbol for a diode? (a) a circle with a cross (b) a small empty box (c) triangle against a bar (d) a long and a short line
4. 4.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
5. 5.Which drawing is the symbol for a motor? (a) a circle with A inside (b) triangle against a bar (c) a long and a short line (d) a circle with M inside
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
7. 7.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) bulb (c) LED (d) voltmeter
8. 8.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) diode (c) voltmeter (d) capacitor
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) motor (c) battery (d) cell
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) diode (c) switch (d) ammeter
11. 11.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) many long-short pairs (c) a straight line (d) triangle, bar and arrows
12. 12.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a small empty box (c) a circle with an X in it (d) one tall, one short bar
13. 13.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) one tall, one short bar (c) a straight line (d) a small empty box
14. 14.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
15. 15.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) cell (c) resistor (d) capacitor
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) LED (c) bulb (d) switch
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) ammeter (c) wire (d) switch
18. 18.Which drawing is the symbol for a wire? (a) a circle with V inside (b) triangle, bar and arrows (c) a straight line (d) one tall, one short bar
19. 19.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) LED (d) motor
21. 21.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) battery (c) resistor (d) switch
22. 22.Which drawing is the symbol for a battery? (a) a circle with V inside (b) two or more cell symbols (c) a straight line (d) a circle with M inside
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
24. 24.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with A inside (c) a small empty box (d) a straight line
25. 25.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) triangle against a bar (c) a circle with V inside (d) one tall, one short bar
26. 26.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) switch (c) capacitor (d) junction
27. 27.True or false: a circle with A inside is the symbol for a junction. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) diode (d) capacitor
29. 29.True or false: a circle with a cross is the symbol for a diode. (a) True (b) False
30. 30.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) battery (c) motor (d) cell
32. 32.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) capacitor (c) switch (d) voltmeter
33. 33.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
34. 34.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
35. 35.Which drawing is the symbol for a switch? (a) a straight line (b) one tall, one short bar (c) two equal parallel lines (d) a line lifted at a gap
36. 36.Which drawing is the symbol for a resistor? (a) a straight line (b) two or more cell symbols (c) a plain rectangle (d) a long and a short line
37. 37.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) two equal parallel lines (c) a plain rectangle (d) a circle with an X in it
38. 38.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with a cross (c) a circle with V inside (d) a plain rectangle
39. 39.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
40. 40.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True

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