Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 754 · 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 diode? (a) triangle against a bar (b) one tall, one short bar (c) a circle with a cross (d) a circle with M inside
2. 2.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) LED (c) diode (d) voltmeter
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
5. 5.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with a cross (c) two equal parallel lines (d) a long and a short line
6. 6.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
7. 7.Which drawing is the symbol for a wire? (a) a circle with V inside (b) a line lifted at a gap (c) a straight line (d) two or more cell symbols
8. 8.True or false: one tall, one short bar is the symbol for an LED. (a) True (b) False
9. 9.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) switch (c) wire (d) resistor
11. 11.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a circle with V inside (c) a small empty box (d) a line lifted at a gap
12. 12.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
13. 13.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a plain rectangle (c) two equal parallel lines (d) a straight line
14. 14.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) capacitor (c) bulb (d) voltmeter
16. 16.True or false: a plain rectangle is the symbol for a diode. (a) True (b) False
17. 17.True or false: a circle with M inside is the symbol for a junction. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) diode (c) bulb (d) resistor
19. 19.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
21. 21.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with A inside (c) two or more cell symbols (d) a circle with M inside
22. 22.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with an X in it (c) one tall, one short bar (d) two or more cell symbols
23. 23.True or false: many long-short pairs is the symbol for a diode. (a) False (b) True
24. 24.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) motor (c) battery (d) voltmeter
26. 26.True or false: a circle with A inside is the symbol for a motor. (a) True (b) False
27. 27.Which drawing is the symbol for a battery? (a) a straight line (b) two or more cell symbols (c) a circle with A inside (d) a long and a short line
28. 28.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
29. 29.Which drawing is the symbol for a battery? (a) a circle with A inside (b) many long-short pairs (c) a small empty box (d) a circle with a cross
30. 30.True or false: one tall, one short bar is the symbol for a switch. (a) True (b) False
31. 31.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) bulb (d) voltmeter
33. 33.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) ammeter (d) switch
35. 35.True or false: many long-short pairs is the symbol for a switch. (a) True (b) False
36. 36.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) many long-short pairs (c) a circle with an X in it (d) a dot where wires meet
37. 37.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) voltmeter (c) wire (d) motor
38. 38.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) wire (c) capacitor (d) diode
39. 39.Which drawing is the symbol for an ammeter? (a) a circle with M inside (b) triangle against a bar (c) a circle with A inside (d) one tall, one short bar
40. 40.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False

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