Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 712 · 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: triangle against a bar is the symbol for a diode. (a) True (b) False
2. 2.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) two or more cell symbols (c) a circle with A inside (d) many long-short pairs
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) wire (c) cell (d) ammeter
4. 4.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
7. 7.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) a circle with M inside (d) a plain rectangle
8. 8.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
9. 9.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) a plain rectangle (c) a circle with V inside (d) a circle with a cross
10. 10.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) motor (c) ammeter (d) diode
12. 12.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a straight line (c) two or more cell symbols (d) one tall, one short bar
13. 13.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) resistor (c) battery (d) LED
14. 14.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) triangle against a bar (c) two equal parallel lines (d) a circle with an X in it
15. 15.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) capacitor (b) switch (c) wire (d) bulb
17. 17.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) voltmeter (c) switch (d) diode
18. 18.True or false: a plain rectangle is the symbol for an ammeter. (a) False (b) True
19. 19.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
20. 20.True or false: a long and a short line is the symbol for a junction. (a) True (b) False
21. 21.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
22. 22.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) junction (c) cell (d) diode
24. 24.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) LED (c) cell (d) switch
25. 25.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) motor (c) ammeter (d) cell
27. 27.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a straight line (c) a plain rectangle (d) many long-short pairs
28. 28.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) two equal parallel lines (c) a plain rectangle (d) triangle, bar and arrows
29. 29.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) motor (c) bulb (d) LED
30. 30.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) junction (c) diode (d) ammeter
32. 32.True or false: a circle with M inside is the symbol for a bulb. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) capacitor (c) bulb (d) voltmeter
34. 34.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
35. 35.True or false: a circle with V inside is the symbol for a wire. (a) True (b) False
36. 36.True or false: a line lifted at a gap is the symbol for a junction. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) cell (c) switch (d) battery
38. 38.True or false: triangle, bar and arrows is the symbol for a resistor. (a) False (b) True
39. 39.True or false: many long-short pairs is the symbol for an ammeter. (a) False (b) True
40. 40.Which drawing is the symbol for a resistor? (a) a straight line (b) a long and a short line (c) one tall, one short bar (d) a small empty box

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