Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 822 · 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) capacitor (b) ammeter (c) motor (d) diode
2. 2.Which drawing is the symbol for a resistor? (a) a straight line (b) a small empty box (c) two or more cell symbols (d) a circle with an X in it
3. 3.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) voltmeter (c) capacitor (d) wire
4. 4.Which drawing is the symbol for a wire? (a) a long and a short line (b) two or more cell symbols (c) a straight line (d) two equal parallel lines
5. 5.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) a long and a short line (c) two equal parallel lines (d) a small empty box
6. 6.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
7. 7.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
8. 8.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
9. 9.Which drawing is the symbol for a diode? (a) a circle with M inside (b) triangle, bar and arrows (c) a dot where wires meet (d) triangle against a bar
10. 10.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) voltmeter (c) resistor (d) ammeter
11. 11.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) voltmeter (c) battery (d) cell
12. 12.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a long and a short line (c) triangle against a bar (d) a circle with a cross
13. 13.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) a straight line (c) many long-short pairs (d) a circle with A inside
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) battery (c) bulb (d) resistor
15. 15.True or false: a circle with A inside is the symbol for a diode. (a) False (b) True
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
17. 17.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a dot where wires meet (c) a line lifted at a gap (d) a circle with a cross
18. 18.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
19. 19.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
20. 20.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) symbols are heavier (d) to make it colourful
21. 21.Which drawing is the symbol for a battery? (a) a circle with a cross (b) two or more cell symbols (c) a plain rectangle (d) a circle with A inside
22. 22.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a circle with a cross (c) one tall, one short bar (d) a straight line
23. 23.True or false: triangle against a bar is the symbol for a bulb. (a) False (b) True
24. 24.True or false: a line lifted at a gap is the symbol for a wire. (a) True (b) False
25. 25.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
26. 26.Which drawing is the symbol for a switch? (a) a straight line (b) a line lifted at a gap (c) a circle with V inside (d) a long and a short line
27. 27.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) junction (b) motor (c) ammeter (d) LED
29. 29.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) one tall, one short bar (c) a circle with V inside (d) two equal parallel lines
30. 30.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) ammeter (c) battery (d) junction
31. 31.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a small empty box (c) many long-short pairs (d) a circle with an X in it
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) wire (d) ammeter
33. 33.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) switch (c) wire (d) cell
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) wire (c) capacitor (d) battery
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) wire (c) voltmeter (d) bulb
36. 36.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) triangle against a bar (c) a circle with V inside (d) a circle with an X in it
37. 37.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) capacitor (c) cell (d) junction
39. 39.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
40. 40.True or false: a straight line is the symbol for a wire. (a) False (b) True

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