Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 505 · 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 circle with an X in it? (a) bulb (b) resistor (c) battery (d) diode
2. 2.✏️ 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
3. 3.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
4. 4.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
5. 5.Which drawing is the symbol for a battery? (a) a circle with a cross (b) many long-short pairs (c) a straight line (d) a circle with an X in it
6. 6.True or false: triangle, bar and arrows is the symbol for a switch. (a) False (b) True
7. 7.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a dot where wires meet (c) a long and a short line (d) a plain rectangle
8. 8.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) a circle with an X in it (c) a dot where wires meet (d) a circle with V inside
9. 9.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) voltmeter (c) wire (d) switch
10. 10.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with A inside (c) a plain rectangle (d) two equal parallel lines
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) diode (c) ammeter (d) switch
13. 13.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) resistor (c) cell (d) ammeter
14. 14.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a circle with M inside (c) a circle with an X in it (d) two equal parallel lines
15. 15.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) resistor (c) voltmeter (d) cell
16. 16.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) wire (c) LED (d) cell
18. 18.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with V inside (c) a long and a short line (d) triangle against a bar
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) ammeter (c) motor (d) bulb
20. 20.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) ammeter (b) switch (c) resistor (d) diode
21. 21.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) a plain rectangle (c) two or more cell symbols (d) a small empty box
22. 22.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with A inside (c) a circle with V inside (d) two equal parallel lines
23. 23.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) voltmeter (c) battery (d) resistor
24. 24.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
25. 25.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) battery (d) junction
27. 27.Which drawing is the symbol for a wire? (a) a long and a short line (b) a straight line (c) a plain rectangle (d) one tall, one short bar
28. 28.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
29. 29.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) a dot where wires meet (c) triangle, bar and arrows (d) two equal parallel lines
30. 30.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) wire (c) cell (d) bulb
31. 31.True or false: two equal parallel lines is the symbol for a diode. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) switch (c) resistor (d) diode
33. 33.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) LED (c) cell (d) capacitor
34. 34.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) battery (c) wire (d) motor
35. 35.True or false: triangle, bar and arrows is the symbol for a wire. (a) True (b) False
36. 36.True or false: two equal parallel lines is the symbol for an ammeter. (a) True (b) False
37. 37.Which drawing is the symbol for an LED? (a) a straight line (b) a plain rectangle (c) two or more cell symbols (d) triangle, bar and arrows
38. 38.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
39. 39.True or false: a circle with an X in it is the symbol for a battery. (a) False (b) True
40. 40.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False

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