Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 598 · 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.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
2. 2.Which drawing is the symbol for an ammeter? (a) a straight line (b) a line lifted at a gap (c) one tall, one short bar (d) a circle with A inside
3. 3.✏️ 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
4. 4.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with a cross (c) a long and a short line (d) two equal parallel lines
5. 5.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) junction (c) wire (d) ammeter
6. 6.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) junction (c) cell (d) battery
7. 7.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) LED (c) cell (d) switch
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) bulb (c) cell (d) voltmeter
11. 11.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) switch (c) cell (d) bulb
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) diode (c) ammeter (d) LED
13. 13.True or false: two equal parallel lines is the symbol for a wire. (a) False (b) True
14. 14.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a circle with M inside (c) a long and a short line (d) a line lifted at a gap
15. 15.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
16. 16.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a long and a short line (c) a circle with A inside (d) two equal parallel lines
17. 17.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
18. 18.True or false: many long-short pairs is the symbol for a capacitor. (a) False (b) True
19. 19.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) motor (c) cell (d) capacitor
21. 21.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a circle with an X in it (c) one tall, one short bar (d) many long-short pairs
22. 22.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) wire (c) voltmeter (d) battery
23. 23.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) switch (c) bulb (d) voltmeter
25. 25.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) a plain rectangle (c) triangle against a bar (d) triangle, bar and arrows
26. 26.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) diode (c) wire (d) junction
27. 27.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) two equal parallel lines (c) a line lifted at a gap (d) two or more cell symbols
28. 28.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) resistor (c) wire (d) capacitor
29. 29.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) voltmeter (c) cell (d) resistor
31. 31.Which drawing is the symbol for a battery? (a) a circle with M inside (b) two or more cell symbols (c) a circle with V inside (d) a long and a short line
32. 32.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
33. 33.True or false: a dot where wires meet is the symbol for a wire. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) cell (d) ammeter
35. 35.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
36. 36.True or false: a circle with V inside is the symbol for an ammeter. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) battery (c) diode (d) junction
38. 38.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) a straight line (c) two or more cell symbols (d) a circle with an X in it
39. 39.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) wire (c) switch (d) battery

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