Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 686 · 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, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
2. 2.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) junction (c) cell (d) battery
4. 4.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) switch (c) resistor (d) capacitor
5. 5.True or false: a long and a short line is the symbol for a diode. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) wire (c) ammeter (d) diode
7. 7.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) a circle with an X in it (c) a line lifted at a gap (d) two equal parallel lines
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
9. 9.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) bulb (c) ammeter (d) diode
11. 11.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
12. 12.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
13. 13.True or false: a circle with a cross is the symbol for a resistor. (a) False (b) True
14. 14.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a long and a short line (c) a circle with a cross (d) a circle with V inside
15. 15.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a circle with V inside (c) a circle with a cross (d) a plain rectangle
16. 16.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a circle with M inside (c) a plain rectangle (d) a line lifted at a gap
17. 17.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) resistor (c) cell (d) wire
18. 18.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with an X in it (c) a circle with A inside (d) many long-short pairs
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) motor (c) switch (d) voltmeter
20. 20.Which drawing is the symbol for a battery? (a) a small empty box (b) two or more cell symbols (c) a circle with a cross (d) a circle with V inside
21. 21.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) cell (c) voltmeter (d) ammeter
23. 23.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) a circle with an X in it (d) a long and a short line
24. 24.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a plain rectangle (c) a circle with A inside (d) a long and a short line
25. 25.Which drawing is the symbol for an LED? (a) a circle with V inside (b) triangle, bar and arrows (c) a circle with M inside (d) many long-short pairs
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) motor (c) junction (d) bulb
27. 27.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) bulb (c) resistor (d) junction
28. 28.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
29. 29.True or false: triangle against a bar is the symbol for a battery. (a) False (b) True
30. 30.Which drawing is the symbol for a junction? (a) a circle with a cross (b) two equal parallel lines (c) a circle with A inside (d) a dot where wires meet
31. 31.True or false: a straight line is the symbol for a cell. (a) True (b) False
32. 32.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
33. 33.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
34. 34.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) resistor (c) voltmeter (d) wire
36. 36.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a long and a short line (c) a circle with V inside (d) many long-short pairs
37. 37.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) switch (c) cell (d) wire
39. 39.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) switch (b) battery (c) resistor (d) wire
40. 40.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False

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