Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 134 · 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 an ammeter? (a) a circle with A inside (b) two or more cell symbols (c) one tall, one short bar (d) a circle with V inside
2. 2.True or false: a circle with a cross is the symbol for a capacitor. (a) False (b) True
3. 3.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) two equal parallel lines (c) two or more cell symbols (d) one tall, one short bar
4. 4.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) cell (c) battery (d) ammeter
5. 5.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) triangle against a bar (c) a plain rectangle (d) many long-short pairs
6. 6.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) switch (c) battery (d) ammeter
7. 7.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with V inside (c) a dot where wires meet (d) a circle with a cross
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
9. 9.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) wire (c) capacitor (d) battery
10. 10.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) a circle with A inside (c) triangle, bar and arrows (d) a circle with M inside
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) capacitor (c) LED (d) motor
12. 12.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) one tall, one short bar (c) a circle with M inside (d) a circle with a cross
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
14. 14.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) diode (c) battery (d) resistor
15. 15.True or false: a circle with V inside is the symbol for a motor. (a) False (b) True
16. 16.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) bulb (c) ammeter (d) voltmeter
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) battery (d) LED
19. 19.Which drawing is the symbol for a switch? (a) a straight line (b) two or more cell symbols (c) a circle with a cross (d) a line lifted at a gap
20. 20.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
21. 21.True or false: a circle with V inside is the symbol for a resistor. (a) True (b) False
22. 22.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) a circle with V inside (c) two or more cell symbols (d) many long-short pairs
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
24. 24.True or false: triangle, bar and arrows is the symbol for a cell. (a) False (b) True
25. 25.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
26. 26.Which drawing is the symbol for a motor? (a) triangle against a bar (b) a circle with a cross (c) a circle with M inside (d) a circle with A inside
27. 27.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) capacitor (c) switch (d) cell
29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) ammeter (c) cell (d) capacitor
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) LED (d) switch
31. 31.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
32. 32.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
33. 33.True or false: two equal parallel lines is the symbol for an ammeter. (a) True (b) False
34. 34.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a long and a short line (c) a circle with V inside (d) triangle, bar and arrows
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) motor (c) battery (d) ammeter
36. 36.True or false: a circle with a cross is the symbol for an LED. (a) False (b) True
37. 37.True or false: a long and a short line is the symbol for a voltmeter. (a) True (b) False
38. 38.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
39. 39.True or false: a circle with a cross is the symbol for a diode. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) battery (c) ammeter (d) wire

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