Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 795 · 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 switch? (a) one tall, one short bar (b) a line lifted at a gap (c) a circle with V inside (d) two equal parallel lines
2. 2.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) diode (c) LED (d) junction
3. 3.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) resistor (c) voltmeter (d) switch
6. 6.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
7. 7.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) triangle, bar and arrows (c) two equal parallel lines (d) a circle with V inside
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
10. 10.Which drawing is the symbol for a diode? (a) a small empty box (b) triangle against a bar (c) triangle, bar and arrows (d) a circle with an X in it
11. 11.Which drawing is the symbol for a motor? (a) a plain rectangle (b) a circle with A inside (c) many long-short pairs (d) a circle with M inside
12. 12.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) motor (c) battery (d) ammeter
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) cell (c) diode (d) bulb
14. 14.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) ammeter (c) voltmeter (d) resistor
15. 15.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) resistor (d) motor
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) cell (c) resistor (d) bulb
17. 17.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
18. 18.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a straight line (c) many long-short pairs (d) a circle with an X in it
19. 19.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
20. 20.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) triangle against a bar (c) a circle with V inside (d) two equal parallel lines
21. 21.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a circle with an X in it (c) a circle with V inside (d) a circle with A inside
22. 22.Which drawing is the symbol for a wire? (a) a plain rectangle (b) a straight line (c) many long-short pairs (d) two equal parallel lines
23. 23.True or false: a straight line is the symbol for a motor. (a) True (b) False
24. 24.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a circle with A inside (c) many long-short pairs (d) a circle with an X in it
25. 25.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
26. 26.True or false: a circle with A inside is the symbol for a diode. (a) False (b) True
27. 27.True or false: two or more cell symbols is the symbol for an LED. (a) False (b) True
28. 28.True or false: a circle with M inside is the symbol for a junction. (a) True (b) False
29. 29.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
30. 30.True or false: a small empty box is the symbol for a capacitor. (a) False (b) True
31. 31.True or false: many long-short pairs is the symbol for a capacitor. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) capacitor (c) switch (d) battery
33. 33.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
34. 34.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) a circle with V inside (c) a circle with M inside (d) triangle against a bar
35. 35.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) cell (d) junction
37. 37.Which drawing is the symbol for a junction? (a) a long and a short line (b) triangle, bar and arrows (c) a dot where wires meet (d) a circle with A inside
38. 38.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
39. 39.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) two equal parallel lines (c) a circle with a cross (d) two or more cell symbols
40. 40.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) diode (c) LED (d) cell

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