Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 336 · 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 circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) battery (c) switch (d) diode
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) LED (c) junction (d) battery
3. 3.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) LED (c) cell (d) resistor
4. 4.True or false: a straight line is the symbol for a voltmeter. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) diode (c) battery (d) cell
6. 6.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a circle with V inside (c) a straight line (d) a small empty box
7. 7.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) motor (c) bulb (d) capacitor
8. 8.Which drawing is the symbol for a junction? (a) a circle with V inside (b) two equal parallel lines (c) a dot where wires meet (d) a line lifted at a gap
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) diode (c) capacitor (d) ammeter
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) bulb (c) resistor (d) motor
11. 11.Which drawing is the symbol for a diode? (a) a circle with a cross (b) a dot where wires meet (c) a plain rectangle (d) triangle against a bar
12. 12.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
13. 13.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) a dot where wires meet (c) a circle with V inside (d) two equal parallel lines
14. 14.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) cell (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) switch (c) bulb (d) motor
16. 16.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a circle with A inside (c) a circle with V inside (d) one tall, one short bar
17. 17.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) to make it colourful (d) quick and clear for all
18. 18.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
19. 19.Which drawing is the symbol for a motor? (a) a circle with M inside (b) many long-short pairs (c) triangle against a bar (d) a circle with a cross
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
21. 21.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) diode (c) bulb (d) ammeter
23. 23.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False
24. 24.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
25. 25.Which drawing is the symbol for a wire? (a) a circle with M inside (b) a circle with a cross (c) a straight line (d) a circle with V inside
26. 26.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
27. 27.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) wire (c) battery (d) capacitor
29. 29.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
30. 30.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a plain rectangle (c) one tall, one short bar (d) a small empty box
31. 31.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) cell (c) ammeter (d) LED
32. 32.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
33. 33.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a long and a short line (c) triangle, bar and arrows (d) a circle with M inside
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) LED (c) bulb (d) battery
35. 35.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a circle with V inside (c) a plain rectangle (d) a dot where wires meet
36. 36.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) ammeter (c) switch (d) junction
37. 37.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
38. 38.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) one tall, one short bar (c) a long and a short line (d) a circle with A inside
39. 39.True or false: a small empty box is the symbol for a junction. (a) True (b) False
40. 40.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a long and a short line (c) a circle with V inside (d) many long-short pairs

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