Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 376 · 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 an ammeter? (a) a circle with A inside (b) a small empty box (c) two or more cell symbols (d) one tall, one short bar
2. 2.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
3. 3.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
4. 4.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) switch (c) cell (d) bulb
5. 5.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) switch (c) resistor (d) cell
6. 6.True or false: a dot where wires meet is the symbol for a diode. (a) False (b) True
7. 7.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
8. 8.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) a circle with M inside (c) two or more cell symbols (d) two equal parallel lines
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) wire (c) cell (d) LED
10. 10.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) one tall, one short bar (c) a circle with V inside (d) triangle against a bar
11. 11.True or false: a circle with V inside is the symbol for a wire. (a) True (b) False
12. 12.Which drawing is the symbol for an LED? (a) a circle with a cross (b) triangle, bar and arrows (c) two or more cell symbols (d) triangle against a bar
13. 13.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) LED (c) wire (d) battery
14. 14.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
15. 15.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with V inside
16. 16.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) many long-short pairs (d) triangle against a bar
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) junction (c) diode (d) voltmeter
18. 18.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) junction (c) voltmeter (d) battery
19. 19.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with an X in it (c) a line lifted at a gap (d) a plain rectangle
20. 20.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) capacitor (c) resistor (d) cell
21. 21.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) motor (c) cell (d) capacitor
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) resistor (b) LED (c) battery (d) bulb
24. 24.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
25. 25.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a small empty box (c) two or more cell symbols (d) a long and a short line
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) diode (c) bulb (d) cell
27. 27.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) cell (c) motor (d) ammeter
29. 29.True or false: a circle with M inside is the symbol for a battery. (a) False (b) True
30. 30.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
31. 31.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with a cross (c) two or more cell symbols (d) a straight line
32. 32.Which drawing is the symbol for a battery? (a) a long and a short line (b) two or more cell symbols (c) one tall, one short bar (d) a circle with a cross
33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) resistor (c) bulb (d) switch
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) LED (c) motor (d) battery
35. 35.True or false: two equal parallel lines is the symbol for a motor. (a) True (b) False
36. 36.True or false: triangle against a bar is the symbol for a resistor. (a) False (b) True
37. 37.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) switch (d) wire
39. 39.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a straight line (c) a circle with an X in it (d) a circle with A inside
40. 40.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a circle with a cross (c) a circle with an X in it (d) many long-short pairs

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