Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 566 · 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 bulb? (a) two or more cell symbols (b) a dot where wires meet (c) one tall, one short bar (d) a circle with a cross
2. 2.Which drawing is the symbol for a voltmeter? (a) a circle with a cross (b) a straight line (c) a circle with M inside (d) a circle with V inside
3. 3.Which drawing is the symbol for a switch? (a) a small empty box (b) a circle with M inside (c) a plain rectangle (d) a line lifted at a gap
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) bulb (c) junction (d) resistor
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
6. 6.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) voltmeter (c) diode (d) capacitor
7. 7.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a plain rectangle (c) two or more cell symbols (d) triangle against a bar
8. 8.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) resistor (c) motor (d) wire
9. 9.True or false: one tall, one short bar is the symbol for a switch. (a) False (b) True
10. 10.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a circle with A inside (c) two equal parallel lines (d) a straight line
11. 11.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) capacitor (c) junction (d) bulb
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) dotted circles (d) wavy lines
13. 13.Which drawing is the symbol for an LED? (a) a long and a short line (b) many long-short pairs (c) one tall, one short bar (d) triangle, bar and arrows
14. 14.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) voltmeter (c) cell (d) bulb
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) switch (c) battery (d) bulb
17. 17.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a circle with a cross (c) a line lifted at a gap (d) many long-short pairs
18. 18.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
19. 19.True or false: a circle with V inside is the symbol for a battery. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) switch (c) capacitor (d) battery
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) switch (c) cell (d) wire
22. 22.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) bulb (c) resistor (d) LED
23. 23.Which drawing is the symbol for a wire? (a) a straight line (b) a dot where wires meet (c) triangle against a bar (d) triangle, bar and arrows
24. 24.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) cell (c) switch (d) junction
26. 26.True or false: a circle with an X in it is the symbol for a diode. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) capacitor (c) junction (d) battery
28. 28.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
29. 29.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False
30. 30.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) junction (c) ammeter (d) LED
32. 32.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a plain rectangle (c) one tall, one short bar (d) a straight line
33. 33.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) one tall, one short bar (c) two or more cell symbols (d) a straight line
34. 34.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a circle with A inside (c) a small empty box (d) two or more cell symbols
35. 35.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
36. 36.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
37. 37.Which drawing is the symbol for a junction? (a) a long and a short line (b) a dot where wires meet (c) a circle with M inside (d) many long-short pairs
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) LED (c) bulb (d) capacitor
39. 39.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) motor (b) ammeter (c) diode (d) junction
40. 40.True or false: a dot where wires meet is the symbol for a resistor. (a) True (b) False

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