Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 802 · 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, which part is drawn as a circle with A inside? (a) voltmeter (b) capacitor (c) ammeter (d) resistor
2. 2.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) battery (c) LED (d) voltmeter
3. 3.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) a dot where wires meet (c) two equal parallel lines (d) a circle with V inside
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
5. 5.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) wire (c) battery (d) switch
6. 6.Which drawing is the symbol for a junction? (a) a small empty box (b) a plain rectangle (c) a dot where wires meet (d) triangle, bar and arrows
7. 7.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
8. 8.True or false: one tall, one short bar is the symbol for an ammeter. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) wire (c) diode (d) junction
10. 10.Which drawing is the symbol for a battery? (a) a straight line (b) a circle with V inside (c) a circle with a cross (d) two or more cell symbols
11. 11.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
12. 12.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) motor (c) cell (d) LED
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) ammeter (c) bulb (d) cell
14. 14.True or false: triangle, bar and arrows is the symbol for an ammeter. (a) True (b) False
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
16. 16.Which drawing is the symbol for a cell? (a) a plain rectangle (b) two equal parallel lines (c) a long and a short line (d) a small empty box
17. 17.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) wire (c) cell (d) bulb
18. 18.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) a circle with V inside (c) many long-short pairs (d) a circle with A inside
19. 19.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) battery (c) switch (d) capacitor
21. 21.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) voltmeter (c) diode (d) junction
22. 22.Which drawing is the symbol for a wire? (a) a circle with M inside (b) a long and a short line (c) a circle with V inside (d) a straight line
23. 23.Which drawing is the symbol for a motor? (a) triangle against a bar (b) a plain rectangle (c) a circle with M inside (d) a circle with V inside
24. 24.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) diode (c) battery (d) voltmeter
26. 26.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
27. 27.True or false: two equal parallel lines is the symbol for an ammeter. (a) False (b) True
28. 28.Which drawing is the symbol for an LED? (a) a dot where wires meet (b) a plain rectangle (c) triangle, bar and arrows (d) a small empty box
29. 29.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) switch (c) LED (d) resistor
31. 31.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) switch (c) resistor (d) motor
32. 32.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) a small empty box (d) two equal parallel lines
33. 33.True or false: a circle with V inside is the symbol for a switch. (a) True (b) False
34. 34.True or false: a circle with V inside is the symbol for a battery. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) motor (c) cell (d) bulb
36. 36.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with V inside (c) one tall, one short bar (d) triangle against a bar
37. 37.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a circle with V inside (c) a line lifted at a gap (d) a circle with a cross
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) LED (c) junction (d) bulb
39. 39.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
40. 40.True or false: a line lifted at a gap is the symbol for a diode. (a) False (b) True

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