Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 728 · 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.True or false: a circle with M inside is the symbol for an ammeter. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) bulb (c) motor (d) battery
3. 3.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) diode (c) LED (d) bulb
4. 4.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
5. 5.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a straight line (c) a circle with A inside (d) a circle with a cross
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
7. 7.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) two equal parallel lines (c) a plain rectangle (d) a long and a short line
8. 8.Which drawing is the symbol for a resistor? (a) a small empty box (b) triangle against a bar (c) many long-short pairs (d) a circle with V inside
9. 9.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
10. 10.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
11. 11.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a dot where wires meet (c) a circle with an X in it (d) a circle with V inside
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) ammeter (c) capacitor (d) wire
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) resistor (b) voltmeter (c) wire (d) bulb
14. 14.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) two or more cell symbols (c) a plain rectangle (d) a circle with M inside
15. 15.True or false: a plain rectangle is the symbol for a motor. (a) True (b) False
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) switch (c) voltmeter (d) capacitor
18. 18.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a straight line (c) a plain rectangle (d) a circle with M inside
19. 19.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
20. 20.True or false: triangle against a bar is the symbol for a junction. (a) True (b) False
21. 21.True or false: a line lifted at a gap is the symbol for an LED. (a) True (b) False
22. 22.True or false: a plain rectangle is the symbol for a voltmeter. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) bulb (c) LED (d) battery
24. 24.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) triangle against a bar (c) a circle with V inside (d) a circle with a cross
25. 25.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) cell (c) capacitor (d) switch
27. 27.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) voltmeter (c) motor (d) battery
29. 29.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) battery (c) capacitor (d) switch
30. 30.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) one tall, one short bar (c) a circle with M inside (d) a straight line
31. 31.True or false: a circle with an X in it is the symbol for an ammeter. (a) False (b) True
32. 32.True or false: two equal parallel lines is the symbol for a voltmeter. (a) True (b) False
33. 33.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) voltmeter (c) diode (d) capacitor
35. 35.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
36. 36.True or false: a straight line is the symbol for a cell. (a) True (b) False
37. 37.True or false: triangle, bar and arrows is the symbol for a voltmeter. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) switch (d) battery
39. 39.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) ammeter (c) LED (d) diode
40. 40.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) many long-short pairs (c) a straight line (d) a plain rectangle

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