Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 384 · 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.Which drawing is the symbol for a diode? (a) one tall, one short bar (b) many long-short pairs (c) triangle against a bar (d) a small empty box
2. 2.Which drawing is the symbol for a battery? (a) a circle with a cross (b) two or more cell symbols (c) triangle, bar and arrows (d) a circle with M inside
3. 3.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
4. 4.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
5. 5.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
6. 6.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) switch (c) voltmeter (d) resistor
7. 7.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a circle with A inside (c) a circle with a cross (d) two or more cell symbols
8. 8.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
9. 9.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) triangle against a bar (c) two equal parallel lines (d) a plain rectangle
10. 10.Which drawing is the symbol for a cell? (a) a circle with V inside (b) many long-short pairs (c) two equal parallel lines (d) one tall, one short bar
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) motor (c) voltmeter (d) ammeter
12. 12.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) a circle with M inside (c) a plain rectangle (d) a circle with V inside
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
14. 14.Which drawing is the symbol for a motor? (a) a long and a short line (b) a small empty box (c) a circle with M inside (d) a circle with an X in it
15. 15.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) wire (c) voltmeter (d) switch
16. 16.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a circle with a cross (c) a straight line (d) a line lifted at a gap
17. 17.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
18. 18.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
19. 19.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
20. 20.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a circle with A inside (c) a circle with an X in it (d) a long and a short line
21. 21.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) cell (c) junction (d) LED
22. 22.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) a circle with V inside (c) two equal parallel lines (d) a long and a short line
23. 23.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) junction (c) wire (d) diode
25. 25.True or false: two equal parallel lines is the symbol for a cell. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) motor (b) resistor (c) LED (d) ammeter
27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) battery (c) capacitor (d) switch
28. 28.Which drawing is the symbol for a wire? (a) triangle against a bar (b) triangle, bar and arrows (c) a circle with a cross (d) a straight line
29. 29.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
30. 30.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) junction (c) resistor (d) switch
31. 31.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) ammeter (c) switch (d) resistor
32. 32.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) battery (c) diode (d) switch
34. 34.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
35. 35.True or false: one tall, one short bar is the symbol for a voltmeter. (a) True (b) False
36. 36.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) triangle against a bar (c) two equal parallel lines (d) a circle with a cross
37. 37.True or false: triangle, bar and arrows is the symbol for a cell. (a) False (b) True
38. 38.Which drawing is the symbol for an LED? (a) a long and a short line (b) triangle, bar and arrows (c) triangle against a bar (d) a circle with an X in it
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) motor (c) wire (d) diode
40. 40.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True

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