Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 327 · 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) wavy lines (b) straight lines (c) little stars (d) dotted circles
2. 2.Which drawing is the symbol for a diode? (a) a circle with a cross (b) a circle with an X in it (c) triangle against a bar (d) one tall, one short bar
3. 3.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) one tall, one short bar (c) a circle with V inside (d) many long-short pairs
4. 4.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) motor (d) LED
6. 6.Which drawing is the symbol for a cell? (a) a circle with A inside (b) one tall, one short bar (c) many long-short pairs (d) a circle with M inside
7. 7.Which drawing is the symbol for an ammeter? (a) a circle with an X in it (b) a plain rectangle (c) many long-short pairs (d) a circle with A inside
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) two or more cell symbols (b) a straight line (c) a circle with A inside (d) one tall, one short bar
10. 10.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) resistor (c) ammeter (d) diode
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) bulb (c) diode (d) voltmeter
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
14. 14.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
15. 15.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a long and a short line (c) two equal parallel lines (d) a plain rectangle
16. 16.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) voltmeter (c) diode (d) LED
18. 18.Which drawing is the symbol for a switch? (a) a circle with M inside (b) a long and a short line (c) a line lifted at a gap (d) triangle against a bar
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) diode (c) wire (d) ammeter
20. 20.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a circle with an X in it (c) a circle with V inside (d) triangle, bar and arrows
21. 21.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) voltmeter (c) bulb (d) cell
23. 23.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
24. 24.True or false: triangle against a bar is the symbol for a resistor. (a) True (b) False
25. 25.Which drawing is the symbol for a capacitor? (a) a plain rectangle (b) one tall, one short bar (c) a circle with A inside (d) two equal parallel lines
26. 26.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) resistor (c) diode (d) ammeter
28. 28.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
29. 29.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) bulb (c) cell (d) resistor
31. 31.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) motor (c) diode (d) bulb
33. 33.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a circle with M inside (c) two equal parallel lines (d) a small empty box
34. 34.Which drawing is the symbol for a motor? (a) many long-short pairs (b) triangle, bar and arrows (c) a plain rectangle (d) a circle with M inside
35. 35.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) LED (c) cell (d) battery
37. 37.Which drawing is the symbol for a battery? (a) many long-short pairs (b) triangle, bar and arrows (c) a circle with an X in it (d) triangle against a bar
38. 38.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False
39. 39.True or false: a plain rectangle is the symbol for a capacitor. (a) False (b) True
40. 40.Which drawing is the symbol for a cell? (a) a straight line (b) many long-short pairs (c) a long and a short line (d) a line lifted at a gap

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