Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 694 · 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 cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
2. 2.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
3. 3.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) switch (c) wire (d) bulb
4. 4.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) resistor (c) diode (d) junction
5. 5.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
6. 6.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a circle with M inside (c) two or more cell symbols (d) a straight line
7. 7.Which drawing is the symbol for a battery? (a) a circle with A inside (b) one tall, one short bar (c) a dot where wires meet (d) two or more cell symbols
8. 8.Which drawing is the symbol for a capacitor? (a) triangle, bar and arrows (b) two equal parallel lines (c) a small empty box (d) a circle with an X in it
9. 9.Which drawing is the symbol for a diode? (a) triangle against a bar (b) two equal parallel lines (c) two or more cell symbols (d) a circle with a cross
10. 10.Which drawing is the symbol for a cell? (a) a long and a short line (b) two or more cell symbols (c) a dot where wires meet (d) a plain rectangle
11. 11.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a circle with V inside (c) a circle with A inside (d) one tall, one short bar
12. 12.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) motor (c) resistor (d) cell
14. 14.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
15. 15.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a straight line (c) many long-short pairs (d) one tall, one short bar
16. 16.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a dot where wires meet (c) a circle with a cross (d) a plain rectangle
17. 17.True or false: a circle with M inside is the symbol for a wire. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) bulb (c) cell (d) ammeter
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) capacitor (c) battery (d) bulb
20. 20.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) one tall, one short bar (c) a plain rectangle (d) a circle with V inside
21. 21.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) resistor (c) voltmeter (d) bulb
23. 23.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) many long-short pairs (c) a small empty box (d) one tall, one short bar
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) cell (c) junction (d) ammeter
25. 25.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a circle with A inside (c) a line lifted at a gap (d) a circle with V inside
26. 26.True or false: a straight line is the symbol for a wire. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) motor (c) battery (d) diode
28. 28.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
29. 29.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
30. 30.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
31. 31.Which drawing is the symbol for a motor? (a) a small empty box (b) a circle with M inside (c) a circle with an X in it (d) a circle with V inside
32. 32.True or false: triangle, bar and arrows is the symbol for a bulb. (a) False (b) True
33. 33.True or false: a plain rectangle is the symbol for a cell. (a) True (b) False
34. 34.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) resistor (c) bulb (d) LED
36. 36.True or false: a dot where wires meet is the symbol for a voltmeter. (a) False (b) True
37. 37.True or false: one tall, one short bar is the symbol for an ammeter. (a) True (b) False
38. 38.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a circle with V inside (c) a plain rectangle (d) two equal parallel lines
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) diode (c) ammeter (d) bulb
40. 40.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False

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