Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 298 · 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 triangle, bar and arrows? (a) diode (b) resistor (c) battery (d) LED
2. 2.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a straight line (c) many long-short pairs (d) two equal parallel lines
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
4. 4.True or false: two equal parallel lines is the symbol for an ammeter. (a) True (b) False
5. 5.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a plain rectangle (c) a circle with M inside (d) a line lifted at a gap
6. 6.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
7. 7.Which drawing is the symbol for an ammeter? (a) a straight line (b) a circle with A inside (c) triangle against a bar (d) a plain rectangle
8. 8.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) LED (d) wire
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
10. 10.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) bulb (c) resistor (d) ammeter
12. 12.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) cell (c) voltmeter (d) resistor
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.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) triangle against a bar (c) two or more cell symbols (d) a circle with M inside
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) battery (c) bulb (d) resistor
16. 16.True or false: a straight line is the symbol for a cell. (a) True (b) False
17. 17.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) motor (c) switch (d) battery
19. 19.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) cell (c) capacitor (d) battery
21. 21.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with V inside (c) a circle with a cross (d) a straight line
22. 22.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a long and a short line (c) a plain rectangle (d) a circle with A inside
23. 23.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) resistor (c) LED (d) wire
24. 24.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) capacitor (c) ammeter (d) switch
25. 25.True or false: a circle with M inside is the symbol for a wire. (a) False (b) True
26. 26.Which drawing is the symbol for an LED? (a) a straight line (b) a long and a short line (c) triangle, bar and arrows (d) two or more cell symbols
27. 27.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) battery (c) voltmeter (d) capacitor
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) LED (c) voltmeter (d) wire
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) ammeter (c) motor (d) wire
30. 30.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) a straight line (d) a plain rectangle
31. 31.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) voltmeter (c) cell (d) diode
32. 32.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
33. 33.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
34. 34.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
35. 35.True or false: a plain rectangle is the symbol for a wire. (a) False (b) True
36. 36.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
37. 37.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a circle with V inside (c) triangle, bar and arrows (d) a line lifted at a gap
38. 38.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a plain rectangle (c) one tall, one short bar (d) triangle, bar and arrows
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) resistor (c) voltmeter (d) wire
40. 40.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with an X in it (c) a dot where wires meet (d) a long and a short line

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