Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 188 · 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 two or more cell symbols? (a) wire (b) junction (c) battery (d) bulb
2. 2.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
3. 3.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a plain rectangle (c) triangle, bar and arrows (d) a circle with A inside
4. 4.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a line lifted at a gap (c) a straight line (d) a small empty box
5. 5.True or false: a straight line is the symbol for a wire. (a) True (b) False
6. 6.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) resistor (c) battery (d) wire
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) resistor (b) bulb (c) battery (d) junction
8. 8.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) diode (c) cell (d) voltmeter
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) diode (c) capacitor (d) battery
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
12. 12.True or false: many long-short pairs is the symbol for an ammeter. (a) False (b) True
13. 13.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
14. 14.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
15. 15.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a long and a short line (c) a line lifted at a gap (d) a circle with V inside
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) wire (c) bulb (d) voltmeter
17. 17.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) cell (c) resistor (d) wire
18. 18.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a line lifted at a gap (c) one tall, one short bar (d) a circle with an X in it
19. 19.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 an X in it
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) switch (c) ammeter (d) junction
21. 21.Which drawing is the symbol for an LED? (a) a circle with A inside (b) a circle with an X in it (c) triangle, bar and arrows (d) two equal parallel lines
22. 22.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
23. 23.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
24. 24.True or false: a circle with an X in it is the symbol for a switch. (a) False (b) True
25. 25.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a small empty box (c) a circle with A inside (d) two or more cell symbols
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) ammeter (c) battery (d) capacitor
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) battery (c) diode (d) LED
28. 28.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
29. 29.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) a long and a short line (c) a dot where wires meet (d) two equal parallel lines
30. 30.Which drawing is the symbol for an ammeter? (a) a circle with M inside (b) a circle with A inside (c) triangle, bar and arrows (d) a line lifted at a gap
31. 31.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with an X in it (c) one tall, one short bar (d) a circle with A inside
32. 32.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
33. 33.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
34. 34.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
35. 35.True or false: two equal parallel lines is the symbol for a diode. (a) False (b) True
36. 36.True or false: a circle with an X in it is the symbol for a voltmeter. (a) True (b) False
37. 37.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a straight line (c) triangle against a bar (d) two or more cell symbols
38. 38.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
39. 39.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a circle with an X in it (c) a line lifted at a gap (d) a straight line
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) capacitor (c) motor (d) cell

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