Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 356 · 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 V inside? (a) ammeter (b) voltmeter (c) motor (d) switch
2. 2.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) battery (c) switch (d) diode
3. 3.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) a long and a short line (d) a straight line
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) cell (c) resistor (d) diode
5. 5.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a dot where wires meet (c) two or more cell symbols (d) a circle with M inside
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 circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
8. 8.Which drawing is the symbol for a junction? (a) a circle with a cross (b) two equal parallel lines (c) a circle with A inside (d) a dot where wires meet
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) the shorter line (d) both lines
10. 10.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with a cross (c) one tall, one short bar (d) two or more cell symbols
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) cell (c) junction (d) bulb
12. 12.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a dot where wires meet (c) a circle with an X in it (d) a long and a short line
13. 13.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) motor (c) resistor (d) switch
14. 14.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) motor (c) resistor (d) junction
15. 15.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) switch (c) battery (d) voltmeter
16. 16.Which drawing is the symbol for a cell? (a) a long and a short line (b) two equal parallel lines (c) two or more cell symbols (d) a circle with M inside
17. 17.True or false: a dot where wires meet is the symbol for a cell. (a) True (b) False
18. 18.True or false: two or more cell symbols is the symbol for a junction. (a) False (b) True
19. 19.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a line lifted at a gap (c) a circle with a cross (d) a small empty box
20. 20.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with an X in it (c) a straight line (d) a circle with A inside
21. 21.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) triangle against a bar (c) two equal parallel lines (d) a plain rectangle
22. 22.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) resistor (c) LED (d) diode
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) cell (c) junction (d) bulb
24. 24.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
25. 25.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
26. 26.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
27. 27.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a line lifted at a gap (c) a dot where wires meet (d) a circle with a cross
28. 28.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) voltmeter (c) ammeter (d) cell
30. 30.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a line lifted at a gap (c) one tall, one short bar (d) a straight line
31. 31.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) cell (c) capacitor (d) switch
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) bulb (c) cell (d) ammeter
33. 33.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
34. 34.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
35. 35.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
36. 36.True or false: a straight line is the symbol for a diode. (a) True (b) False
37. 37.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
38. 38.Which drawing is the symbol for a cell? (a) a plain rectangle (b) one tall, one short bar (c) triangle, bar and arrows (d) a dot where wires meet
39. 39.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
40. 40.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True

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