Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 61 · 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 junction? (a) many long-short pairs (b) a small empty box (c) a plain rectangle (d) a dot where wires meet
2. 2.True or false: a long and a short line is the symbol for a junction. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) battery (d) cell
4. 4.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
5. 5.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) neither line (d) both lines
7. 7.True or false: a straight line is the symbol for a capacitor. (a) True (b) False
8. 8.Which drawing is the symbol for a voltmeter? (a) a circle with a cross (b) a long and a short line (c) a circle with V inside (d) one tall, one short bar
9. 9.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) cell (c) voltmeter (d) diode
10. 10.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
11. 11.True or false: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False
12. 12.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) motor (c) ammeter (d) diode
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) wire (c) LED (d) battery
15. 15.Which drawing is the symbol for a switch? (a) a long and a short line (b) a circle with M inside (c) many long-short pairs (d) a line lifted at a gap
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
17. 17.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) junction (b) cell (c) LED (d) ammeter
19. 19.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a circle with an X in it (c) a line lifted at a gap (d) a straight line
20. 20.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
21. 21.True or false: a straight line is the symbol for a resistor. (a) True (b) False
22. 22.Which drawing is the symbol for a motor? (a) a straight line (b) a circle with M inside (c) a plain rectangle (d) two or more cell symbols
23. 23.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
24. 24.True or false: two or more cell symbols is the symbol for a resistor. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) switch (c) battery (d) resistor
26. 26.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) voltmeter (c) resistor (d) cell
27. 27.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a circle with V inside (c) one tall, one short bar (d) triangle against a bar
28. 28.Which drawing is the symbol for a wire? (a) a straight line (b) a circle with an X in it (c) a circle with a cross (d) a circle with A inside
29. 29.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
30. 30.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) battery (c) capacitor (d) resistor
32. 32.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) battery (c) wire (d) junction
33. 33.True or false: a circle with V inside is the symbol for a motor. (a) False (b) True
34. 34.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with A inside (c) a circle with M inside (d) two equal parallel lines
35. 35.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a small empty box (c) a circle with V inside (d) a long and a short line
36. 36.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
37. 37.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
38. 38.True or false: one tall, one short bar is the symbol for a diode. (a) False (b) True
39. 39.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a straight line (c) a circle with V inside (d) two or more cell symbols
40. 40.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a circle with an X in it (c) a circle with M inside (d) a plain rectangle

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