Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 559 · 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: many long-short pairs is the symbol for an ammeter. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) diode (c) LED (d) switch
3. 3.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) cell (c) capacitor (d) bulb
5. 5.Which drawing is the symbol for a capacitor? (a) triangle, bar and arrows (b) a long and a short line (c) two equal parallel lines (d) a dot where wires meet
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
7. 7.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) a circle with a cross (c) a small empty box (d) a straight line
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) cell (d) LED
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
10. 10.True or false: a dot where wires meet is the symbol for a motor. (a) False (b) True
11. 11.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a small empty box (c) a dot where wires meet (d) many long-short pairs
12. 12.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
13. 13.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a plain rectangle (c) one tall, one short bar (d) a small empty box
14. 14.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a dot where wires meet (c) triangle against a bar (d) a line lifted at a gap
15. 15.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) junction (c) wire (d) ammeter
16. 16.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
17. 17.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) both lines (d) the shorter line
18. 18.Which drawing is the symbol for a battery? (a) a long and a short line (b) a line lifted at a gap (c) a circle with M inside (d) many long-short pairs
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) cell (c) voltmeter (d) resistor
20. 20.Which drawing is the symbol for a battery? (a) a circle with A inside (b) two or more cell symbols (c) a straight line (d) a circle with an X in it
21. 21.True or false: a straight line is the symbol for a wire. (a) False (b) True
22. 22.Which drawing is the symbol for a switch? (a) a circle with A inside (b) a line lifted at a gap (c) a circle with M inside (d) a circle with a cross
23. 23.Which drawing is the symbol for a voltmeter? (a) a small empty box (b) a plain rectangle (c) a line lifted at a gap (d) a circle with V inside
24. 24.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with A inside (c) many long-short pairs (d) triangle against a bar
25. 25.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
26. 26.True or false: a straight line is the symbol for a diode. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) wire (c) diode (d) junction
28. 28.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) capacitor (b) wire (c) switch (d) cell
29. 29.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) cell (c) wire (d) motor
31. 31.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) LED (d) voltmeter
33. 33.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) one tall, one short bar (c) a circle with an X in it (d) many long-short pairs
34. 34.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) capacitor (c) ammeter (d) cell
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) cell (c) bulb (d) ammeter
36. 36.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) cell (d) ammeter
37. 37.True or false: a long and a short line is the symbol for a switch. (a) False (b) True
38. 38.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
39. 39.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) two equal parallel lines (c) triangle, bar and arrows (d) a circle with A inside
40. 40.True or false: a circle with a cross is the symbol for a diode. (a) True (b) False

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