Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 78 · 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 a line lifted at a gap? (a) cell (b) capacitor (c) resistor (d) switch
2. 2.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a circle with V inside (c) a circle with M inside (d) one tall, one short bar
3. 3.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) bulb (c) motor (d) battery
4. 4.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) battery (c) LED (d) motor
5. 5.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
6. 6.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
8. 8.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) two equal parallel lines (c) a circle with V inside (d) a circle with an X in it
9. 9.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
10. 10.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) resistor (c) voltmeter (d) battery
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) cell (c) bulb (d) resistor
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) cell (c) voltmeter (d) battery
14. 14.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
16. 16.Which drawing is the symbol for a wire? (a) a long and a short line (b) triangle against a bar (c) one tall, one short bar (d) a straight line
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) wire (c) ammeter (d) resistor
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) wire (d) junction
19. 19.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) motor (c) resistor (d) junction
21. 21.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) two or more cell symbols (c) a plain rectangle (d) a circle with V inside
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) resistor (c) capacitor (d) cell
23. 23.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) bulb (c) cell (d) diode
24. 24.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) cell (c) diode (d) switch
26. 26.True or false: a small empty box is the symbol for a bulb. (a) False (b) True
27. 27.Which drawing is the symbol for a switch? (a) triangle, bar and arrows (b) one tall, one short bar (c) a line lifted at a gap (d) a dot where wires meet
28. 28.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a long and a short line (c) triangle, bar and arrows (d) a circle with A inside
29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) motor (c) cell (d) junction
30. 30.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a straight line (c) a circle with an X in it (d) a long and a short line
31. 31.True or false: a dot where wires meet is the symbol for an ammeter. (a) True (b) False
32. 32.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) motor (c) LED (d) junction
34. 34.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
35. 35.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a line lifted at a gap (c) a dot where wires meet (d) one tall, one short bar
36. 36.True or false: a straight line is the symbol for a wire. (a) False (b) True
37. 37.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a plain rectangle (c) a small empty box (d) a line lifted at a gap
38. 38.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
39. 39.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) triangle against a bar (c) a circle with A inside (d) two or more cell symbols
40. 40.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False

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