Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 736 · 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 line lifted at a gap is the symbol for a capacitor. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) capacitor (c) switch (d) battery
3. 3.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) neither line (d) both lines
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) bulb (c) voltmeter (d) wire
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
7. 7.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a circle with V inside (c) a long and a short line (d) a circle with A inside
8. 8.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) capacitor (c) cell (d) bulb
10. 10.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) voltmeter (c) battery (d) wire
11. 11.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
12. 12.True or false: a circle with A inside is the symbol for a switch. (a) False (b) True
13. 13.Which drawing is the symbol for a diode? (a) a plain rectangle (b) two or more cell symbols (c) a circle with an X in it (d) triangle against a bar
14. 14.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) two or more cell symbols (c) a small empty box (d) a circle with M inside
15. 15.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
16. 16.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a circle with A inside (c) a small empty box (d) a dot where wires meet
17. 17.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
18. 18.Which drawing is the symbol for a switch? (a) triangle against a bar (b) two or more cell symbols (c) a plain rectangle (d) a line lifted at a gap
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) cell (c) bulb (d) battery
20. 20.True or false: a circle with V inside is the symbol for a capacitor. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) switch (c) capacitor (d) resistor
22. 22.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) LED (c) ammeter (d) battery
24. 24.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) resistor (c) battery (d) wire
25. 25.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
26. 26.Which drawing is the symbol for a motor? (a) many long-short pairs (b) a circle with M inside (c) a dot where wires meet (d) a circle with a cross
27. 27.True or false: a circle with M inside is the symbol for a battery. (a) True (b) False
28. 28.Which drawing is the symbol for a capacitor? (a) a circle with A inside (b) many long-short pairs (c) a plain rectangle (d) two equal parallel lines
29. 29.Which drawing is the symbol for a wire? (a) a circle with M inside (b) triangle against a bar (c) two equal parallel lines (d) a straight line
30. 30.True or false: two equal parallel lines is the symbol for a battery. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) junction (c) resistor (d) bulb
32. 32.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a straight line (c) a long and a short line (d) one tall, one short bar
33. 33.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a straight line (c) a circle with an X in it (d) a long and a short line
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) battery (c) capacitor (d) ammeter
35. 35.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) a circle with V inside (c) a circle with an X in it (d) a plain rectangle
36. 36.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) capacitor (c) motor (d) cell
37. 37.True or false: two or more cell symbols is the symbol for a capacitor. (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 small empty box is the symbol for a resistor. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) LED (c) cell (d) ammeter

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