Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 268 · 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 resistor? (a) a circle with an X in it (b) triangle, bar and arrows (c) one tall, one short bar (d) a small empty box
2. 2.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with M inside (c) one tall, one short bar (d) a circle with V inside
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) switch (c) LED (d) diode
4. 4.True or false: triangle against a bar is the symbol for a switch. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) battery (c) switch (d) bulb
6. 6.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False
7. 7.Which drawing is the symbol for a diode? (a) a long and a short line (b) a circle with a cross (c) a circle with M inside (d) triangle against a bar
8. 8.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a small empty box (c) one tall, one short bar (d) a long and a short line
9. 9.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a long and a short line (c) a circle with V inside (d) a circle with A inside
10. 10.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) LED (c) motor (d) capacitor
11. 11.True or false: a circle with an X in it is the symbol for a switch. (a) False (b) True
12. 12.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
14. 14.✏️ 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
15. 15.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with M inside (c) two or more cell symbols (d) triangle against a bar
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) diode (c) voltmeter (d) bulb
17. 17.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) straight lines (d) wavy lines
18. 18.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) triangle against a bar (c) two or more cell symbols (d) a circle with M inside
19. 19.True or false: a small empty box is the symbol for a junction. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) motor (c) resistor (d) cell
21. 21.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) battery (d) cell
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) motor (c) battery (d) cell
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) diode (d) motor
24. 24.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
25. 25.True or false: a circle with V inside is the symbol for a diode. (a) False (b) True
26. 26.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a circle with M inside (c) a circle with an X in it (d) two equal parallel lines
27. 27.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) resistor (c) switch (d) ammeter
29. 29.True or false: a small empty box is the symbol for a diode. (a) False (b) True
30. 30.Which drawing is the symbol for a wire? (a) a plain rectangle (b) a straight line (c) a circle with V inside (d) many long-short pairs
31. 31.True or false: a circle with A inside is the symbol for a switch. (a) False (b) True
32. 32.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
33. 33.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
34. 34.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) diode (c) wire (d) resistor
36. 36.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
37. 37.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
38. 38.True or false: a circle with A inside is the symbol for a capacitor. (a) False (b) True
39. 39.Which drawing is the symbol for a switch? (a) triangle, bar and arrows (b) a plain rectangle (c) a line lifted at a gap (d) a circle with an X in it
40. 40.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) diode (c) switch (d) LED

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