Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 382 · 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) junction (b) diode (c) voltmeter (d) resistor
2. 2.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) a circle with M inside (c) a plain rectangle (d) triangle, bar and arrows
3. 3.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a straight line (c) a circle with M inside (d) a small empty box
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) voltmeter (c) LED (d) cell
5. 5.True or false: triangle, bar and arrows is the symbol for a battery. (a) False (b) True
6. 6.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) the shorter line (d) both lines
8. 8.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a straight line (c) two or more cell symbols (d) a circle with V inside
9. 9.True or false: triangle against a bar is the symbol for a capacitor. (a) True (b) False
10. 10.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) triangle against a bar (c) a circle with A inside (d) a long and a short line
11. 11.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
12. 12.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
13. 13.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) cell (c) voltmeter (d) resistor
15. 15.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) diode (c) cell (d) resistor
16. 16.True or false: a circle with V inside is the symbol for a resistor. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) bulb (c) motor (d) diode
18. 18.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
19. 19.True or false: a long and a short line is the symbol for an ammeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) battery (c) cell (d) ammeter
21. 21.Which drawing is the symbol for a switch? (a) a straight line (b) a long and a short line (c) a line lifted at a gap (d) a plain rectangle
22. 22.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with M inside (c) a circle with an X in it (d) a small empty box
23. 23.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) many long-short pairs (c) triangle against a bar (d) a small empty box
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) voltmeter (c) bulb (d) ammeter
25. 25.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) ammeter (c) junction (d) motor
26. 26.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) junction (c) switch (d) battery
27. 27.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
28. 28.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a plain rectangle (c) two or more cell symbols (d) a long and a short line
29. 29.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) capacitor (b) switch (c) diode (d) cell
30. 30.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
31. 31.True or false: a long and a short line is the symbol for a resistor. (a) True (b) False
32. 32.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
33. 33.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) motor (c) junction (d) voltmeter
35. 35.True or false: a circle with a cross is the symbol for a capacitor. (a) True (b) False
36. 36.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
37. 37.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) two equal parallel lines (c) a circle with V inside (d) a line lifted at a gap
38. 38.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a circle with an X in it (c) triangle, bar and arrows (d) a small empty box
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) diode (c) motor (d) junction
40. 40.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) voltmeter (c) cell (d) resistor

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