Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 292 · 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) a plain rectangle (b) a line lifted at a gap (c) a long and a short line (d) a dot where wires meet
2. 2.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) diode (d) voltmeter
3. 3.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) resistor (c) junction (d) voltmeter
4. 4.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a circle with M inside (c) many long-short pairs (d) a circle with an X in it
5. 5.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with V inside (c) one tall, one short bar (d) triangle, bar and arrows
6. 6.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a small empty box (c) a circle with V inside (d) a line lifted at a gap
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
8. 8.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) battery (c) capacitor (d) resistor
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) bulb (c) battery (d) cell
11. 11.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) bulb (d) LED
12. 12.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
13. 13.True or false: a line lifted at a gap is the symbol for a resistor. (a) True (b) False
14. 14.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with V inside (c) a circle with an X in it (d) a dot where wires meet
15. 15.Which drawing is the symbol for a wire? (a) a long and a short line (b) a circle with M inside (c) a straight line (d) triangle, bar and arrows
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
17. 17.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
18. 18.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) junction (c) wire (d) cell
19. 19.True or false: a straight line is the symbol for a wire. (a) True (b) False
20. 20.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) triangle against a bar (c) a long and a short line (d) two or more cell symbols
21. 21.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) many long-short pairs (c) a plain rectangle (d) a long and a short line
22. 22.True or false: a long and a short line is the symbol for an LED. (a) True (b) False
23. 23.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a circle with a cross (c) two equal parallel lines (d) many long-short pairs
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) junction (c) motor (d) voltmeter
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) wire (c) ammeter (d) diode
26. 26.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) junction (c) switch (d) bulb
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) LED (c) wire (d) resistor
28. 28.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
29. 29.True or false: a dot where wires meet is the symbol for an LED. (a) True (b) False
30. 30.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a straight line (c) a small empty box (d) two or more cell symbols
31. 31.True or false: two or more cell symbols is the symbol for a wire. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) diode (c) resistor (d) wire
33. 33.True or false: a straight line is the symbol for a cell. (a) True (b) False
34. 34.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
35. 35.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) junction (c) LED (d) wire
37. 37.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with a cross (c) a circle with A inside (d) two equal parallel lines
38. 38.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a long and a short line (c) a circle with M inside (d) a plain rectangle
39. 39.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) bulb (c) diode (d) voltmeter
40. 40.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) ammeter (c) cell (d) bulb

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