Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 930 · 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.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) one tall, one short bar (c) two equal parallel lines (d) a long and a short line
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) LED (c) junction (d) bulb
3. 3.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a plain rectangle (c) two or more cell symbols (d) a small empty box
4. 4.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
5. 5.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
6. 6.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a small empty box (c) a circle with M inside (d) a long and a short line
7. 7.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) two or more cell symbols (c) a small empty box (d) a long and a short line
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
10. 10.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) voltmeter (c) junction (d) diode
12. 12.True or false: a circle with A inside is the symbol for a bulb. (a) True (b) False
13. 13.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
14. 14.True or false: two equal parallel lines is the symbol for a motor. (a) True (b) False
15. 15.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
16. 16.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) two equal parallel lines (c) a circle with A inside (d) one tall, one short bar
17. 17.True or false: a small empty box is the symbol for a bulb. (a) True (b) False
18. 18.Which drawing is the symbol for an LED? (a) a circle with A inside (b) a plain rectangle (c) triangle, bar and arrows (d) two equal parallel lines
19. 19.True or false: a circle with V inside is the symbol for a cell. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) diode (c) bulb (d) capacitor
21. 21.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) voltmeter (c) switch (d) wire
22. 22.True or false: a plain rectangle is the symbol for a battery. (a) True (b) False
23. 23.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a straight line (c) a circle with V inside (d) a small empty box
24. 24.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a dot where wires meet (c) a circle with M inside (d) triangle against a bar
25. 25.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) voltmeter (c) capacitor (d) junction
26. 26.True or false: one tall, one short bar is the symbol for a bulb. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) wire (c) bulb (d) resistor
28. 28.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
29. 29.Which drawing is the symbol for a battery? (a) a small empty box (b) one tall, one short bar (c) a dot where wires meet (d) many long-short pairs
30. 30.Which drawing is the symbol for a switch? (a) a long and a short line (b) a small empty box (c) triangle, bar and arrows (d) a line lifted at a gap
31. 31.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a circle with M inside (c) a plain rectangle (d) two or more cell symbols
32. 32.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) battery (c) switch (d) ammeter
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) LED (c) cell (d) switch
34. 34.Which drawing is the symbol for a junction? (a) a line lifted at a gap (b) a circle with an X in it (c) a circle with A inside (d) a dot where wires meet
35. 35.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) capacitor (c) motor (d) resistor
36. 36.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) resistor (c) junction (d) cell
37. 37.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
38. 38.Which drawing is the symbol for a wire? (a) a straight line (b) two equal parallel lines (c) a circle with a cross (d) a circle with an X in it
39. 39.True or false: a plain rectangle is the symbol for a wire. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) voltmeter (c) cell (d) wire

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