Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 483 · 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 cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) battery (c) voltmeter (d) motor
3. 3.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a circle with A inside (c) a circle with a cross (d) one tall, one short bar
4. 4.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with M inside (c) a circle with A inside (d) a circle with an X in it
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) voltmeter (c) cell (d) ammeter
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) voltmeter (c) bulb (d) ammeter
7. 7.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a circle with M inside (c) a dot where wires meet (d) one tall, one short bar
8. 8.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) wire (c) diode (d) switch
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) to make it colourful (d) quick and clear for all
10. 10.Which drawing is the symbol for a battery? (a) a circle with a cross (b) triangle, bar and arrows (c) many long-short pairs (d) triangle against a bar
11. 11.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) triangle against a bar (c) a straight line (d) a plain rectangle
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) diode (c) cell (d) resistor
13. 13.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a small empty box (c) a circle with V inside (d) a dot where wires meet
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) junction (c) battery (d) bulb
15. 15.Which drawing is the symbol for an LED? (a) a small empty box (b) triangle, bar and arrows (c) one tall, one short bar (d) a line lifted at a gap
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) wavy lines (d) dotted circles
17. 17.True or false: two equal parallel lines is the symbol for a motor. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) bulb (c) motor (d) diode
19. 19.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with V inside (d) many long-short pairs
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) capacitor (c) battery (d) junction
21. 21.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) ammeter (c) capacitor (d) bulb
22. 22.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
23. 23.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a dot where wires meet (c) a straight line (d) a line lifted at a gap
24. 24.Which drawing is the symbol for a battery? (a) a long and a short line (b) a small empty box (c) two or more cell symbols (d) a circle with V inside
25. 25.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a long and a short line (c) a circle with an X in it (d) a dot where wires meet
26. 26.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) wire (c) battery (d) cell
27. 27.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a line lifted at a gap (c) a straight line (d) a plain rectangle
28. 28.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a circle with M inside (c) a circle with V inside (d) a long and a short line
29. 29.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) diode (c) capacitor (d) ammeter
30. 30.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) LED (c) battery (d) junction
31. 31.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) junction (c) diode (d) LED
32. 32.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
33. 33.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) wire (c) cell (d) resistor
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) ammeter (c) capacitor (d) LED
36. 36.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
37. 37.Which drawing is the symbol for a wire? (a) a circle with a cross (b) a small empty box (c) a straight line (d) a line lifted at a gap
38. 38.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
39. 39.True or false: a circle with a cross is the symbol for an LED. (a) False (b) True
40. 40.Which drawing is the symbol for a motor? (a) a circle with a cross (b) two or more cell symbols (c) a circle with A inside (d) a circle with M inside

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