Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 798 · 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 long and a short line is the symbol for a cell. (a) False (b) True
2. 2.✏️ 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
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) voltmeter (c) motor (d) junction
4. 4.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) two equal parallel lines (c) triangle against a bar (d) a dot where wires meet
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) switch (c) ammeter (d) bulb
6. 6.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a plain rectangle (c) two or more cell symbols (d) two equal parallel lines
7. 7.True or false: a straight line is the symbol for an ammeter. (a) False (b) True
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) voltmeter (c) ammeter (d) capacitor
10. 10.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with V inside (c) many long-short pairs (d) a circle with an X in it
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) bulb (c) resistor (d) LED
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) battery (c) capacitor (d) diode
13. 13.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) ammeter (c) junction (d) bulb
14. 14.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) capacitor (c) voltmeter (d) resistor
16. 16.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) cell (c) resistor (d) capacitor
17. 17.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
18. 18.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
19. 19.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) triangle against a bar (c) a line lifted at a gap (d) a plain rectangle
20. 20.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a plain rectangle (c) a circle with an X in it (d) many long-short pairs
21. 21.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a small empty box (c) one tall, one short bar (d) a circle with an X in it
22. 22.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) diode (c) ammeter (d) capacitor
23. 23.Which drawing is the symbol for a motor? (a) a straight line (b) many long-short pairs (c) a circle with M inside (d) one tall, one short bar
24. 24.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a plain rectangle (c) a circle with a cross (d) a straight line
25. 25.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) junction (c) wire (d) bulb
26. 26.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) motor (c) resistor (d) LED
28. 28.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
29. 29.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) two or more cell symbols (d) many long-short pairs
30. 30.True or false: a dot where wires meet is the symbol for an ammeter. (a) False (b) True
31. 31.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) bulb (d) battery
33. 33.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) triangle, bar and arrows (c) two or more cell symbols (d) a small empty box
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) capacitor (c) battery (d) switch
35. 35.Which drawing is the symbol for an ammeter? (a) a straight line (b) a circle with A inside (c) a plain rectangle (d) triangle, bar and arrows
36. 36.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a straight line (c) a circle with M inside (d) a circle with an X in it
37. 37.True or false: two or more cell symbols is the symbol for an ammeter. (a) True (b) False
38. 38.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a straight line (c) a line lifted at a gap (d) one tall, one short bar
39. 39.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a plain rectangle (c) a small empty box (d) a long and a short line
40. 40.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False

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