Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 444 · 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: two or more cell symbols is the symbol for a battery. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) battery (c) switch (d) diode
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) battery (c) voltmeter (d) diode
4. 4.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) bulb (c) motor (d) ammeter
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) capacitor (c) ammeter (d) LED
8. 8.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
9. 9.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) two equal parallel lines (c) a circle with an X in it (d) a circle with A inside
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) cell (c) motor (d) bulb
12. 12.True or false: a circle with V inside is the symbol for an LED. (a) True (b) False
13. 13.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
14. 14.True or false: a circle with a cross is the symbol for a switch. (a) False (b) True
15. 15.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with M inside (c) two equal parallel lines (d) a small empty box
16. 16.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) one tall, one short bar (c) a circle with an X in it (d) a circle with V inside
17. 17.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a circle with A inside (c) triangle, bar and arrows (d) a line lifted at a gap
18. 18.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) wire (c) battery (d) cell
19. 19.Which drawing is the symbol for an LED? (a) a circle with a cross (b) triangle, bar and arrows (c) a straight line (d) a line lifted at a gap
20. 20.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) many long-short pairs (c) a dot where wires meet (d) a circle with an X in it
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) motor (c) ammeter (d) bulb
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) battery (c) voltmeter (d) cell
23. 23.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) ammeter (c) battery (d) cell
25. 25.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) voltmeter (c) resistor (d) bulb
26. 26.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
27. 27.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
28. 28.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) capacitor (c) battery (d) switch
30. 30.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) two equal parallel lines (c) triangle, bar and arrows (d) triangle against a bar
31. 31.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) battery (c) bulb (d) LED
32. 32.True or false: a straight line is the symbol for a wire. (a) False (b) True
33. 33.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with a cross (c) two equal parallel lines (d) two or more cell symbols
34. 34.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with an X in it (c) a long and a short line (d) a circle with a cross
35. 35.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
36. 36.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with M inside (c) two equal parallel lines (d) a straight line
37. 37.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
38. 38.Which drawing is the symbol for a cell? (a) a small empty box (b) a long and a short line (c) a circle with an X in it (d) a dot where wires meet
39. 39.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
40. 40.True or false: one tall, one short bar is the symbol for a junction. (a) False (b) True

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