Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 725 · 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: many long-short pairs is the symbol for a battery. (a) False (b) True
2. 2.True or false: a long and a short line is the symbol for a junction. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) resistor (c) LED (d) cell
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) motor (c) diode (d) resistor
5. 5.Which drawing is the symbol for a junction? (a) a straight line (b) triangle, bar and arrows (c) many long-short pairs (d) a dot where wires meet
6. 6.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
7. 7.Which drawing is the symbol for a capacitor? (a) a straight line (b) a small empty box (c) two equal parallel lines (d) a long and a short line
8. 8.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) battery (c) LED (d) cell
9. 9.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) resistor (b) voltmeter (c) diode (d) ammeter
10. 10.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) junction (c) diode (d) switch
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) battery (c) ammeter (d) bulb
15. 15.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False
16. 16.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) capacitor (c) motor (d) diode
18. 18.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
19. 19.True or false: a circle with a cross is the symbol for a resistor. (a) True (b) False
20. 20.Which drawing is the symbol for a switch? (a) a circle with a cross (b) many long-short pairs (c) triangle against a bar (d) a line lifted at a gap
21. 21.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
22. 22.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
23. 23.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a dot where wires meet (c) one tall, one short bar (d) triangle, bar and arrows
24. 24.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
25. 25.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a circle with an X in it (c) triangle, bar and arrows (d) a long and a short line
26. 26.True or false: a small empty box is the symbol for a battery. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) junction (c) voltmeter (d) capacitor
28. 28.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) LED (c) motor (d) cell
29. 29.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) ammeter (c) diode (d) bulb
31. 31.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
32. 32.True or false: a circle with an X in it is the symbol for an ammeter. (a) False (b) True
33. 33.True or false: a circle with an X in it is the symbol for a motor. (a) False (b) True
34. 34.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
35. 35.Which drawing is the symbol for a resistor? (a) a straight line (b) a circle with V inside (c) two or more cell symbols (d) a plain rectangle
36. 36.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a circle with V inside (c) triangle against a bar (d) a circle with M inside
37. 37.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) two equal parallel lines (c) a straight line (d) two or more cell symbols
38. 38.Which drawing is the symbol for a diode? (a) triangle against a bar (b) two equal parallel lines (c) a plain rectangle (d) one tall, one short bar
39. 39.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
40. 40.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with V inside (c) two equal parallel lines (d) a circle with M inside

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