Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 112 · 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 LED? (a) triangle against a bar (b) many long-short pairs (c) triangle, bar and arrows (d) a line lifted at a gap
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) cell (c) bulb (d) voltmeter
4. 4.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) LED (c) resistor (d) cell
5. 5.Which drawing is the symbol for a motor? (a) triangle against a bar (b) many long-short pairs (c) a circle with an X in it (d) a circle with M inside
6. 6.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) switch (c) battery (d) voltmeter
8. 8.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a small empty box (c) a circle with A inside (d) many long-short pairs
9. 9.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
11. 11.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) triangle, bar and arrows (c) many long-short pairs (d) a circle with a cross
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) battery (c) capacitor (d) motor
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) LED (c) diode (d) voltmeter
14. 14.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
15. 15.True or false: two equal parallel lines is the symbol for an LED. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) cell (c) LED (d) bulb
17. 17.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) wire (c) battery (d) junction
18. 18.Which drawing is the symbol for a diode? (a) triangle, bar and arrows (b) triangle against a bar (c) two or more cell symbols (d) a circle with a cross
19. 19.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a circle with an X in it (c) a dot where wires meet (d) a line lifted at a gap
20. 20.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) cell (c) motor (d) battery
22. 22.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) bulb (c) junction (d) wire
23. 23.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
24. 24.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) triangle against a bar (c) a circle with a cross (d) one tall, one short bar
25. 25.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) ammeter (c) switch (d) LED
27. 27.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a line lifted at a gap (c) one tall, one short bar (d) a plain rectangle
28. 28.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) capacitor (d) bulb
29. 29.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) a long and a short line (c) a straight line (d) a plain rectangle
30. 30.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
31. 31.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) bulb (c) voltmeter (d) LED
33. 33.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) a long and a short line (d) a circle with an X in it
34. 34.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with A inside (c) a circle with an X in it (d) a straight line
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) switch (c) capacitor (d) motor
36. 36.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) motor (c) battery (d) diode
37. 37.Which drawing is the symbol for a bulb? (a) a straight line (b) a long and a short line (c) a line lifted at a gap (d) a circle with an X in it
38. 38.True or false: a circle with M inside is the symbol for a wire. (a) True (b) False
39. 39.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
40. 40.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False

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