Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 396 · 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.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) ammeter (c) bulb (d) junction
3. 3.✏️ 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
4. 4.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a straight line (c) triangle, bar and arrows (d) a line lifted at a gap
5. 5.True or false: a small empty box is the symbol for a capacitor. (a) False (b) True
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
7. 7.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) cell (c) switch (d) resistor
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) capacitor (c) bulb (d) cell
9. 9.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) many long-short pairs (c) one tall, one short bar (d) a circle with a cross
10. 10.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) switch (c) resistor (d) voltmeter
11. 11.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a circle with an X in it (c) triangle, bar and arrows (d) a straight line
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) wire (c) motor (d) cell
14. 14.Which drawing is the symbol for a capacitor? (a) a circle with A inside (b) two or more cell symbols (c) a circle with M inside (d) two equal parallel lines
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) diode (c) cell (d) capacitor
16. 16.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
17. 17.True or false: a long and a short line is the symbol for an ammeter. (a) True (b) False
18. 18.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a small empty box (c) a long and a short line (d) a line lifted at a gap
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) bulb (c) diode (d) voltmeter
20. 20.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with M inside (c) a circle with an X in it (d) triangle, bar and arrows
21. 21.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) a circle with A inside (c) a plain rectangle (d) triangle against a bar
22. 22.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) wire (c) capacitor (d) ammeter
23. 23.True or false: a circle with V inside is the symbol for a switch. (a) True (b) False
24. 24.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a long and a short line (c) a circle with a cross (d) a circle with M inside
25. 25.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) resistor (c) capacitor (d) motor
26. 26.Which drawing is the symbol for a bulb? (a) a small empty box (b) a circle with V inside (c) a circle with an X in it (d) many long-short pairs
27. 27.True or false: two or more cell symbols is the symbol for a switch. (a) False (b) True
28. 28.True or false: a plain rectangle is the symbol for an ammeter. (a) True (b) False
29. 29.True or false: a circle with A inside is the symbol for a capacitor. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) wire (c) battery (d) bulb
31. 31.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
32. 32.True or false: triangle against a bar is the symbol for a junction. (a) True (b) False
33. 33.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
34. 34.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
35. 35.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
36. 36.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a line lifted at a gap (c) many long-short pairs (d) one tall, one short bar
37. 37.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
38. 38.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
39. 39.True or false: a circle with M inside is the symbol for a diode. (a) True (b) False
40. 40.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False

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