Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 859 · 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) both lines (b) neither line (c) the shorter line (d) the longer line
2. 2.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) wire (c) battery (d) cell
3. 3.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) junction (c) voltmeter (d) battery
4. 4.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) triangle, bar and arrows (c) a dot where wires meet (d) a circle with V inside
5. 5.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) capacitor (c) cell (d) bulb
6. 6.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a plain rectangle (c) a circle with an X in it (d) two or more cell symbols
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) ammeter (c) wire (d) bulb
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
9. 9.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a circle with A inside (c) many long-short pairs (d) a circle with an X in it
10. 10.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) two or more cell symbols (c) triangle against a bar (d) a circle with an X in it
11. 11.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
12. 12.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a circle with M inside (c) triangle, bar and arrows (d) a small empty box
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) wire (c) cell (d) bulb
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
15. 15.True or false: a plain rectangle is the symbol for a junction. (a) False (b) True
16. 16.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) one tall, one short bar (c) a line lifted at a gap (d) a circle with an X in it
17. 17.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
18. 18.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) ammeter (b) battery (c) motor (d) wire
20. 20.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
21. 21.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) a straight line (c) a circle with V inside (d) a dot where wires meet
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) switch (c) cell (d) motor
23. 23.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) battery (c) LED (d) bulb
25. 25.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
26. 26.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a long and a short line (c) triangle, bar and arrows (d) a circle with a cross
27. 27.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
28. 28.Which drawing is the symbol for a motor? (a) triangle, bar and arrows (b) one tall, one short bar (c) a circle with M inside (d) a circle with a cross
29. 29.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) battery (c) resistor (d) bulb
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) resistor (c) motor (d) LED
31. 31.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
32. 32.Which drawing is the symbol for a battery? (a) a long and a short line (b) a plain rectangle (c) a circle with a cross (d) many long-short pairs
33. 33.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) a plain rectangle (c) a dot where wires meet (d) two equal parallel lines
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) bulb (c) LED (d) resistor
35. 35.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
36. 36.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
37. 37.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) voltmeter (c) LED (d) junction
39. 39.True or false: a small empty box is the symbol for a switch. (a) True (b) False
40. 40.True or false: triangle against a bar is the symbol for a cell. (a) True (b) False

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