Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 433 · 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: one tall, one short bar is the symbol for a diode. (a) True (b) False
2. 2.True or false: a small empty box is the symbol for a switch. (a) False (b) True
3. 3.Which drawing is the symbol for a motor? (a) a straight line (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with M inside
4. 4.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) junction (c) battery (d) LED
5. 5.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) capacitor (c) voltmeter (d) motor
6. 6.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a straight line (c) a circle with a cross (d) a circle with A inside
7. 7.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
8. 8.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
9. 9.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) resistor (d) switch
11. 11.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
13. 13.True or false: a plain rectangle is the symbol for an ammeter. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) bulb (c) LED (d) motor
15. 15.Which drawing is the symbol for an LED? (a) a long and a short line (b) triangle, bar and arrows (c) a circle with M inside (d) a circle with a cross
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
17. 17.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) voltmeter (c) resistor (d) motor
18. 18.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) a circle with a cross (c) a line lifted at a gap (d) two equal parallel lines
19. 19.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
20. 20.Which drawing is the symbol for a cell? (a) a straight line (b) a plain rectangle (c) one tall, one short bar (d) a small empty box
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) bulb (c) capacitor (d) voltmeter
22. 22.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) resistor (b) bulb (c) switch (d) battery
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) motor (b) bulb (c) capacitor (d) ammeter
24. 24.True or false: a small empty box is the symbol for a battery. (a) False (b) True
25. 25.Which drawing is the symbol for a cell? (a) a small empty box (b) a long and a short line (c) a line lifted at a gap (d) a plain rectangle
26. 26.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) one tall, one short bar (c) a dot where wires meet (d) two or more cell symbols
27. 27.True or false: two equal parallel lines is the symbol for a voltmeter. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) bulb (c) cell (d) LED
29. 29.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with V inside (c) a long and a short line (d) a circle with a cross
30. 30.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as a straight line? (a) capacitor (b) diode (c) wire (d) voltmeter
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) voltmeter (c) bulb (d) switch
33. 33.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) diode (c) resistor (d) switch
35. 35.True or false: a dot where wires meet is the symbol for an ammeter. (a) False (b) True
36. 36.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
37. 37.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
38. 38.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
39. 39.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a plain rectangle (c) two equal parallel lines (d) a circle with M inside
40. 40.Which drawing is the symbol for a wire? (a) a straight line (b) two or more cell symbols (c) a long and a short line (d) a small empty box

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