Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 296 · 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 resistor? (a) many long-short pairs (b) a plain rectangle (c) a circle with V inside (d) a line lifted at a gap
2. 2.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) triangle against a bar (c) a circle with a cross (d) a small empty box
3. 3.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
4. 4.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a small empty box (c) two or more cell symbols (d) one tall, one short bar
5. 5.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
7. 7.Which drawing is the symbol for a cell? (a) many long-short pairs (b) triangle, bar and arrows (c) one tall, one short bar (d) a dot where wires meet
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
9. 9.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) switch (c) ammeter (d) battery
10. 10.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) switch (c) battery (d) bulb
11. 11.Which drawing is the symbol for a switch? (a) a circle with M inside (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with an X in it
12. 12.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) a circle with a cross (d) a circle with A inside
13. 13.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) capacitor (c) battery (d) resistor
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) battery (c) bulb (d) ammeter
16. 16.Which drawing is the symbol for a motor? (a) a circle with M inside (b) two or more cell symbols (c) a circle with A inside (d) a plain rectangle
17. 17.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a dot where wires meet (c) a circle with V inside (d) a circle with a cross
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) switch (c) bulb (d) resistor
19. 19.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) triangle against a bar (c) one tall, one short bar (d) a long and a short line
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) battery (c) bulb (d) LED
21. 21.True or false: a circle with M inside is the symbol for a battery. (a) False (b) True
22. 22.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) two or more cell symbols (c) triangle, bar and arrows (d) a circle with A inside
23. 23.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) capacitor (c) ammeter (d) LED
24. 24.True or false: triangle against a bar is the symbol for a voltmeter. (a) True (b) False
25. 25.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) a circle with A inside (c) a straight line (d) a plain rectangle
26. 26.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a line lifted at a gap (c) two or more cell symbols (d) a circle with A inside
27. 27.True or false: one tall, one short bar is the symbol for a voltmeter. (a) True (b) False
28. 28.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a long and a short line (c) many long-short pairs (d) a circle with V inside
29. 29.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) bulb (c) switch (d) junction
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) voltmeter (c) resistor (d) diode
31. 31.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
32. 32.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) junction (c) bulb (d) voltmeter
34. 34.True or false: a long and a short line is the symbol for an ammeter. (a) True (b) False
35. 35.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
36. 36.True or false: a straight line is the symbol for a cell. (a) True (b) False
37. 37.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a long and a short line (c) many long-short pairs (d) a circle with M inside
38. 38.True or false: two equal parallel lines is the symbol for a bulb. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) battery (c) diode (d) cell
40. 40.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False

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