Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 358 · 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.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) motor (c) voltmeter (d) battery
2. 2.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a long and a short line (c) a circle with M inside (d) a circle with A inside
3. 3.True or false: triangle against a bar is the symbol for a motor. (a) True (b) False
4. 4.Which drawing is the symbol for a wire? (a) a plain rectangle (b) a straight line (c) two equal parallel lines (d) a dot where wires meet
5. 5.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
6. 6.Which drawing is the symbol for a diode? (a) many long-short pairs (b) a line lifted at a gap (c) triangle against a bar (d) a circle with a cross
7. 7.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
10. 10.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a long and a short line (d) a straight line
11. 11.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
12. 12.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
13. 13.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with V inside (c) triangle, bar and arrows (d) a circle with a cross
14. 14.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) one tall, one short bar (c) triangle against a bar (d) a circle with A inside
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) diode (c) capacitor (d) motor
16. 16.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) resistor (c) bulb (d) junction
17. 17.Which drawing is the symbol for a cell? (a) a circle with V inside (b) triangle, bar and arrows (c) a long and a short line (d) many long-short pairs
18. 18.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with a cross (c) a small empty box (d) a line lifted at a gap
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) capacitor (c) cell (d) motor
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) cell (d) wire
21. 21.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) wire (c) LED (d) switch
22. 22.True or false: a circle with V inside is the symbol for a switch. (a) True (b) False
23. 23.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
24. 24.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a plain rectangle (c) a circle with M inside (d) a circle with a cross
25. 25.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) LED (c) switch (d) battery
26. 26.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) capacitor (d) diode
28. 28.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a plain rectangle (c) a line lifted at a gap (d) a circle with V inside
29. 29.True or false: a line lifted at a gap is the symbol for an LED. (a) False (b) True
30. 30.True or false: many long-short pairs is the symbol for a wire. (a) False (b) True
31. 31.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
32. 32.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a circle with an X in it (c) two equal parallel lines (d) a circle with a cross
33. 33.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with a cross (d) one tall, one short bar
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) capacitor (c) voltmeter (d) battery
35. 35.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
36. 36.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
37. 37.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) cell (c) voltmeter (d) capacitor
39. 39.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) capacitor (c) cell (d) motor
40. 40.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) resistor (c) switch (d) cell

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