Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 918 · 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: a circle with A inside is the symbol for an ammeter. (a) False (b) True
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
3. 3.✏️ 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
4. 4.True or false: a circle with M inside is the symbol for an LED. (a) False (b) True
5. 5.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) a line lifted at a gap (c) a circle with A inside (d) a plain rectangle
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) switch (c) ammeter (d) LED
7. 7.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) battery (d) junction
8. 8.True or false: a long and a short line is the symbol for a battery. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) ammeter (c) voltmeter (d) resistor
10. 10.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
11. 11.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
12. 12.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
13. 13.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two or more cell symbols (c) a circle with V inside (d) many long-short pairs
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
15. 15.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) cell (c) battery (d) ammeter
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) capacitor (c) voltmeter (d) bulb
18. 18.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) triangle against a bar (c) a circle with A inside (d) a straight line
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) cell (c) battery (d) resistor
20. 20.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) switch (c) wire (d) LED
22. 22.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
23. 23.True or false: two or more cell symbols is the symbol for an ammeter. (a) True (b) False
24. 24.Which drawing is the symbol for a battery? (a) a plain rectangle (b) a line lifted at a gap (c) two or more cell symbols (d) triangle, bar and arrows
25. 25.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) cell (c) bulb (d) battery
26. 26.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) a plain rectangle (c) a long and a short line (d) two equal parallel lines
27. 27.Which drawing is the symbol for a diode? (a) triangle against a bar (b) two or more cell symbols (c) a circle with A inside (d) a circle with M inside
28. 28.True or false: a long and a short line is the symbol for a wire. (a) False (b) True
29. 29.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) ammeter (c) cell (d) motor
31. 31.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
32. 32.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) a circle with A inside (c) a circle with V inside (d) a circle with an X in it
33. 33.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a small empty box (c) a circle with a cross (d) a circle with A inside
34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) LED (c) motor (d) diode
35. 35.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a long and a short line (c) a circle with an X in it (d) one tall, one short bar
36. 36.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
37. 37.Which drawing is the symbol for a wire? (a) triangle against a bar (b) two or more cell symbols (c) a straight line (d) many long-short pairs
38. 38.Which drawing is the symbol for a motor? (a) a straight line (b) a circle with M inside (c) a long and a short line (d) a dot where wires meet
39. 39.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
40. 40.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False

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