Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 481 · 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) little stars (b) dotted circles (c) straight lines (d) wavy lines
2. 2.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) junction (c) cell (d) ammeter
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) bulb (c) capacitor (d) voltmeter
4. 4.True or false: a circle with an X in it is the symbol for a cell. (a) True (b) False
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
6. 6.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) voltmeter (c) resistor (d) junction
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) motor (c) LED (d) junction
8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) resistor (c) battery (d) voltmeter
9. 9.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) two equal parallel lines (c) triangle, bar and arrows (d) a plain rectangle
10. 10.True or false: many long-short pairs is the symbol for a resistor. (a) False (b) True
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) diode (c) resistor (d) bulb
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) battery (d) LED
14. 14.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) battery (c) voltmeter (d) ammeter
16. 16.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) cell (c) wire (d) battery
17. 17.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) ammeter (c) junction (d) battery
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) diode (c) battery (d) cell
20. 20.True or false: a circle with A inside is the symbol for a voltmeter. (a) False (b) True
21. 21.True or false: two equal parallel lines is the symbol for a motor. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) bulb (c) cell (d) LED
23. 23.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a straight line (c) a circle with V inside (d) a circle with A inside
24. 24.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a circle with an X in it (c) two or more cell symbols (d) a plain rectangle
25. 25.Which drawing is the symbol for a switch? (a) a plain rectangle (b) a long and a short line (c) a line lifted at a gap (d) a circle with M inside
26. 26.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with A inside (c) a long and a short line (d) triangle, bar and arrows
27. 27.True or false: a straight line is the symbol for a voltmeter. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) voltmeter (c) diode (d) motor
29. 29.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a small empty box (c) triangle against a bar (d) a circle with V inside
30. 30.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
31. 31.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
32. 32.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
33. 33.True or false: one tall, one short bar is the symbol for a capacitor. (a) False (b) True
34. 34.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a circle with V inside (c) a straight line (d) a plain rectangle
35. 35.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) switch (c) ammeter (d) capacitor
36. 36.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
37. 37.Which drawing is the symbol for a battery? (a) a circle with V inside (b) many long-short pairs (c) a plain rectangle (d) two equal parallel lines
38. 38.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) wire (c) bulb (d) cell
39. 39.True or false: a line lifted at a gap is the symbol for a junction. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) voltmeter (c) LED (d) battery

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