Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 197 · 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, which part is drawn as a circle with V inside? (a) bulb (b) capacitor (c) switch (d) voltmeter
2. 2.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
3. 3.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a straight line (c) two or more cell symbols (d) a long and a short line
4. 4.Which drawing is the symbol for a wire? (a) a straight line (b) a circle with a cross (c) a small empty box (d) a long and a short line
5. 5.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
7. 7.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) bulb (b) LED (c) switch (d) battery
9. 9.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with an X in it (c) a circle with V inside (d) triangle, bar and arrows
10. 10.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) switch (c) cell (d) wire
12. 12.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a straight line (c) triangle, bar and arrows (d) a line lifted at a gap
13. 13.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
14. 14.True or false: a circle with a cross is the symbol for a wire. (a) True (b) False
15. 15.True or false: triangle against a bar is the symbol for a switch. (a) True (b) False
16. 16.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) a circle with an X in it (d) a dot where wires meet
17. 17.True or false: a long and a short line is the symbol for an LED. (a) False (b) True
18. 18.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) two equal parallel lines (c) triangle against a bar (d) a circle with M inside
19. 19.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) LED (c) switch (d) battery
20. 20.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) two equal parallel lines (c) many long-short pairs (d) a circle with A inside
21. 21.✏️ 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
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) junction (c) wire (d) cell
23. 23.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
24. 24.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a small empty box (c) two or more cell symbols (d) one tall, one short bar
25. 25.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) switch (c) voltmeter (d) LED
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) ammeter (c) bulb (d) switch
28. 28.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) many long-short pairs (c) a plain rectangle (d) a circle with a cross
29. 29.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) battery (d) switch
30. 30.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) one tall, one short bar (c) a circle with A inside (d) a small empty box
31. 31.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
32. 32.Which drawing is the symbol for a junction? (a) a straight line (b) a dot where wires meet (c) a line lifted at a gap (d) two or more cell symbols
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) capacitor (c) ammeter (d) cell
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 line lifted at a gap (b) a small empty box (c) a circle with A inside (d) a circle with an X in it
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) ammeter (c) LED (d) junction
37. 37.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) one tall, one short bar (c) a circle with A inside (d) a circle with M inside
38. 38.True or false: many long-short pairs is the symbol for a resistor. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) motor (c) bulb (d) ammeter
40. 40.True or false: a straight line is the symbol for a motor. (a) False (b) True

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