Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 337 · 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) junction (b) bulb (c) capacitor (d) LED
2. 2.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) cell (c) capacitor (d) bulb
3. 3.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) motor (c) capacitor (d) voltmeter
4. 4.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a circle with V inside (c) a plain rectangle (d) a dot where wires meet
5. 5.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) motor (c) diode (d) switch
6. 6.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a plain rectangle (c) a circle with a cross (d) a long and a short line
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
8. 8.✏️ 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
9. 9.Which drawing is the symbol for a wire? (a) a circle with A inside (b) a small empty box (c) a straight line (d) many long-short pairs
10. 10.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with a cross (c) a circle with an X in it (d) triangle against a bar
11. 11.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a dot where wires meet (c) a line lifted at a gap (d) a circle with V inside
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
13. 13.True or false: a plain rectangle is the symbol for a junction. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) junction (c) motor (d) ammeter
15. 15.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a straight line (c) a long and a short line (d) many long-short pairs
16. 16.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) LED (c) resistor (d) battery
17. 17.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a long and a short line (c) one tall, one short bar (d) a circle with a cross
18. 18.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
19. 19.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with an X in it (c) a circle with M inside (d) one tall, one short bar
20. 20.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with A inside (c) a circle with V inside (d) one tall, one short bar
21. 21.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) many long-short pairs (c) a circle with an X in it (d) a dot where wires meet
22. 22.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) a circle with a cross (c) triangle, bar and arrows (d) a circle with M inside
23. 23.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
24. 24.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) motor (c) LED (d) switch
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) voltmeter (c) motor (d) ammeter
27. 27.True or false: triangle against a bar is the symbol for a capacitor. (a) True (b) False
28. 28.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) a circle with M inside (c) a small empty box (d) two equal parallel lines
29. 29.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) junction (c) motor (d) resistor
30. 30.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
31. 31.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a small empty box (c) a dot where wires meet (d) a circle with a cross
32. 32.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) capacitor (c) resistor (d) voltmeter
34. 34.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
35. 35.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
36. 36.True or false: a straight line is the symbol for a resistor. (a) True (b) False
37. 37.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
38. 38.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) battery (c) ammeter (d) LED
40. 40.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True

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