Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 680 · 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) dotted circles (c) straight lines (d) little stars
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) bulb (c) battery (d) wire
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) switch (c) wire (d) bulb
4. 4.True or false: a dot where wires meet is the symbol for a bulb. (a) False (b) True
5. 5.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) two equal parallel lines (c) two or more cell symbols (d) a circle with A inside
6. 6.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) wire (c) battery (d) resistor
7. 7.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
8. 8.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) battery (c) cell (d) capacitor
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
10. 10.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
11. 11.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a circle with M inside (c) a line lifted at a gap (d) triangle, bar and arrows
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) cell (c) resistor (d) motor
13. 13.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) two equal parallel lines (c) one tall, one short bar (d) many long-short pairs
14. 14.True or false: triangle against a bar is the symbol for an LED. (a) False (b) True
15. 15.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) switch (c) voltmeter (d) bulb
17. 17.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) LED (c) junction (d) resistor
19. 19.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) ammeter (c) battery (d) resistor
20. 20.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) capacitor (d) switch
21. 21.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) resistor (c) battery (d) junction
23. 23.Which drawing is the symbol for a diode? (a) a long and a short line (b) triangle against a bar (c) two equal parallel lines (d) a circle with A inside
24. 24.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a circle with A inside (c) triangle, bar and arrows (d) a long and a short line
25. 25.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a small empty box (c) triangle against a bar (d) a circle with a cross
26. 26.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
27. 27.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
28. 28.Which drawing is the symbol for an LED? (a) a dot where wires meet (b) two or more cell symbols (c) a circle with V inside (d) triangle, bar and arrows
29. 29.True or false: a circle with an X in it is the symbol for an ammeter. (a) True (b) False
30. 30.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) diode (c) capacitor (d) battery
32. 32.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with a cross (c) a plain rectangle (d) a circle with A inside
33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) capacitor (c) switch (d) bulb
34. 34.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
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 many long-short pairs? (a) cell (b) voltmeter (c) motor (d) battery
37. 37.True or false: two or more cell symbols is the symbol for a wire. (a) True (b) False
38. 38.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with a cross (c) one tall, one short bar (d) a long and a short line
39. 39.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with A inside (c) a straight line (d) a circle with a cross
40. 40.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with A inside (c) triangle against a bar (d) a circle with M inside

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