Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 914 · 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.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a straight line (c) a long and a short line (d) a small empty box
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
3. 3.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with A inside (c) one tall, one short bar (d) triangle, bar and arrows
4. 4.True or false: a circle with a cross is the symbol for a voltmeter. (a) False (b) True
5. 5.True or false: a long and a short line is the symbol for a resistor. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) switch (c) LED (d) voltmeter
7. 7.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
8. 8.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) two or more cell symbols (c) one tall, one short bar (d) a dot where wires meet
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) cell (c) junction (d) resistor
11. 11.True or false: a small empty box is the symbol for a capacitor. (a) False (b) True
12. 12.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a line lifted at a gap (c) a circle with an X in it (d) many long-short pairs
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) wire (b) bulb (c) LED (d) junction
14. 14.Which drawing is the symbol for a voltmeter? (a) a circle with a cross (b) two equal parallel lines (c) a circle with V inside (d) triangle against a bar
15. 15.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
16. 16.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
17. 17.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a circle with M inside (c) a straight line (d) a long and a short line
18. 18.True or false: a straight line is the symbol for a motor. (a) False (b) True
19. 19.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a circle with A inside (c) a circle with an X in it (d) many long-short pairs
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) bulb (c) battery (d) voltmeter
21. 21.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
22. 22.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) one tall, one short bar (c) a straight line (d) a line lifted at a gap
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) LED (c) battery (d) switch
24. 24.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) cell (c) LED (d) resistor
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) ammeter (c) capacitor (d) cell
26. 26.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
27. 27.True or false: a small empty box is the symbol for a battery. (a) False (b) True
28. 28.Which drawing is the symbol for a resistor? (a) a long and a short line (b) triangle against a bar (c) a straight line (d) a plain rectangle
29. 29.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
30. 30.Which drawing is the symbol for a battery? (a) many long-short pairs (b) two equal parallel lines (c) triangle against a bar (d) one tall, one short bar
31. 31.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) junction (c) switch (d) diode
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) switch (c) bulb (d) motor
33. 33.True or false: a circle with M inside is the symbol for a voltmeter. (a) False (b) True
34. 34.True or false: a small empty box is the symbol for a switch. (a) False (b) True
35. 35.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
36. 36.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) capacitor (c) cell (d) LED
38. 38.True or false: a long and a short line is the symbol for a battery. (a) False (b) True
39. 39.True or false: triangle, bar and arrows is the symbol for a diode. (a) True (b) False
40. 40.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle against a bar (c) many long-short pairs (d) triangle, bar and arrows

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