Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 565 · 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 bulb? (a) a plain rectangle (b) a circle with M inside (c) a circle with a cross (d) a circle with V inside
2. 2.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
3. 3.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
4. 4.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a circle with A inside (c) a straight line (d) a long and a short line
5. 5.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) LED (c) diode (d) switch
6. 6.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) LED (c) battery (d) voltmeter
7. 7.Which drawing is the symbol for an LED? (a) a straight line (b) a circle with V inside (c) two or more cell symbols (d) triangle, bar and arrows
8. 8.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) junction (c) battery (d) resistor
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
10. 10.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) two equal parallel lines (c) one tall, one short bar (d) a dot where wires meet
11. 11.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) triangle, bar and arrows (c) one tall, one short bar (d) a circle with an X in it
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) ammeter (c) resistor (d) switch
13. 13.Which drawing is the symbol for a resistor? (a) a small empty box (b) a dot where wires meet (c) a circle with a cross (d) many long-short pairs
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) cell (c) LED (d) motor
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) straight lines (d) wavy lines
16. 16.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) two or more cell symbols (c) a plain rectangle (d) a circle with M inside
17. 17.Which drawing is the symbol for a wire? (a) a straight line (b) two equal parallel lines (c) a circle with an X in it (d) two or more cell symbols
18. 18.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) battery (c) cell (d) voltmeter
19. 19.True or false: a line lifted at a gap is the symbol for a bulb. (a) False (b) True
20. 20.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
21. 21.True or false: a straight line is the symbol for an LED. (a) False (b) True
22. 22.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with an X in it (c) two equal parallel lines (d) a circle with A inside
23. 23.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a circle with M inside (c) a straight line (d) two or more cell symbols
24. 24.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a straight line (c) a long and a short line (d) many long-short pairs
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) resistor (b) ammeter (c) voltmeter (d) wire
26. 26.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
27. 27.True or false: a straight line is the symbol for a wire. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) motor (c) LED (d) capacitor
29. 29.True or false: a circle with an X in it is the symbol for a capacitor. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) bulb (c) LED (d) switch
31. 31.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
32. 32.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a circle with a cross (d) a circle with M inside
33. 33.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
34. 34.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
35. 35.Which drawing is the symbol for a motor? (a) a circle with a cross (b) a plain rectangle (c) a circle with M inside (d) a straight line
36. 36.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) battery (c) diode (d) resistor
37. 37.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
38. 38.True or false: triangle, bar and arrows is the symbol for a junction. (a) True (b) False
39. 39.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
40. 40.True or false: one tall, one short bar is the symbol for a voltmeter. (a) False (b) True

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