Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 701 · 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) motor (b) battery (c) cell (d) voltmeter
2. 2.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) bulb (c) switch (d) motor
4. 4.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with A inside (c) a circle with an X in it (d) triangle against a bar
5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
7. 7.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) ammeter (b) switch (c) motor (d) wire
9. 9.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) LED (c) diode (d) capacitor
10. 10.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with a cross (c) a circle with M inside (d) a line lifted at a gap
11. 11.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with a cross (c) a circle with A inside (d) a circle with M inside
12. 12.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) LED (c) wire (d) switch
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) bulb (c) ammeter (d) cell
14. 14.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) ammeter (c) resistor (d) diode
16. 16.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) bulb (c) capacitor (d) battery
17. 17.Which drawing is the symbol for a bulb? (a) a small empty box (b) a circle with V inside (c) a circle with a cross (d) a straight line
18. 18.Which drawing is the symbol for a switch? (a) a circle with M inside (b) a circle with A inside (c) two equal parallel lines (d) a line lifted at a gap
19. 19.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) battery (c) ammeter (d) switch
20. 20.True or false: a small empty box is the symbol for a capacitor. (a) True (b) False
21. 21.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a plain rectangle (c) a circle with a cross (d) a circle with V inside
22. 22.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) ammeter (c) resistor (d) wire
23. 23.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) many long-short pairs (c) a small empty box (d) a circle with a cross
24. 24.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
25. 25.True or false: a straight line is the symbol for a wire. (a) False (b) True
26. 26.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
27. 27.True or false: a dot where wires meet is the symbol for a resistor. (a) False (b) True
28. 28.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a plain rectangle (c) a dot where wires meet (d) a long and a short line
29. 29.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a circle with an X in it (c) a circle with M inside (d) a line lifted at a gap
30. 30.True or false: a circle with an X in it is the symbol for an ammeter. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) ammeter (c) bulb (d) voltmeter
32. 32.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
33. 33.True or false: a straight line is the symbol for a diode. (a) False (b) True
34. 34.True or false: a circle with V inside is the symbol for an LED. (a) True (b) False
35. 35.True or false: a plain rectangle is the symbol for a bulb. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) bulb (c) battery (d) LED
37. 37.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) LED (c) bulb (d) cell
38. 38.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) switch (c) voltmeter (d) junction
39. 39.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) a small empty box (c) a dot where wires meet (d) a circle with V inside
40. 40.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a small empty box (c) a dot where wires meet (d) a circle with a cross

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