Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 83 · 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) a circle with V inside (b) triangle against a bar (c) many long-short pairs (d) a straight line
2. 2.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with an X in it (c) a circle with V inside (d) two equal parallel lines
3. 3.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) capacitor (c) battery (d) resistor
5. 5.True or false: a straight line is the symbol for a wire. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) resistor (c) capacitor (d) switch
7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) wire (c) cell (d) battery
8. 8.Which drawing is the symbol for a diode? (a) a circle with M inside (b) one tall, one short bar (c) a straight line (d) triangle against a bar
9. 9.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) one tall, one short bar (c) a circle with an X in it (d) a circle with V inside
10. 10.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
11. 11.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a straight line (c) triangle against a bar (d) many long-short pairs
12. 12.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) a plain rectangle (c) two equal parallel lines (d) triangle, bar and arrows
13. 13.✏️ 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
14. 14.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
15. 15.Which drawing is the symbol for a battery? (a) a circle with M inside (b) many long-short pairs (c) a circle with a cross (d) a circle with V inside
16. 16.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a circle with V inside (c) a circle with a cross (d) a line lifted at a gap
17. 17.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) voltmeter (c) capacitor (d) wire
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) bulb (c) wire (d) capacitor
19. 19.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
20. 20.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a small empty box (c) a circle with a cross (d) a long and a short line
21. 21.True or false: a small empty box is the symbol for a battery. (a) False (b) True
22. 22.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
23. 23.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) two or more cell symbols (c) a circle with an X in it (d) a plain rectangle
24. 24.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) battery (c) wire (d) switch
25. 25.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
26. 26.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
27. 27.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a plain rectangle (c) a circle with a cross (d) a circle with an X in it
28. 28.True or false: a long and a short line is the symbol for a junction. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) motor (c) LED (d) voltmeter
30. 30.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
31. 31.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) ammeter (c) bulb (d) junction
32. 32.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) LED (c) wire (d) resistor
34. 34.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with a cross (c) two or more cell symbols (d) a circle with M inside
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) switch (c) capacitor (d) battery
36. 36.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) diode (c) cell (d) voltmeter
37. 37.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
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 a cell? (a) two or more cell symbols (b) triangle, bar and arrows (c) one tall, one short bar (d) a circle with A inside
40. 40.True or false: a straight line is the symbol for a motor. (a) False (b) True

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