Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 319 · 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 cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
2. 2.Which drawing is the symbol for a cell? (a) triangle against a bar (b) many long-short pairs (c) a plain rectangle (d) one tall, one short bar
3. 3.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) bulb (c) switch (d) wire
4. 4.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) a line lifted at a gap (d) a straight line
5. 5.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) cell (c) diode (d) switch
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
7. 7.True or false: a long and a short line is the symbol for a switch. (a) False (b) True
8. 8.True or false: a line lifted at a gap is the symbol for a battery. (a) True (b) False
9. 9.True or false: a circle with a cross is the symbol for a voltmeter. (a) False (b) True
10. 10.True or false: a circle with A inside is the symbol for an LED. (a) False (b) True
11. 11.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
12. 12.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
13. 13.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
14. 14.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
15. 15.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a plain rectangle (c) a straight line (d) a circle with V inside
16. 16.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) wire (c) cell (d) bulb
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) switch (c) ammeter (d) capacitor
18. 18.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) bulb (d) ammeter
19. 19.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with a cross (c) triangle against a bar (d) a dot where wires meet
20. 20.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with A inside (c) a line lifted at a gap (d) two equal parallel lines
21. 21.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) ammeter (c) switch (d) bulb
22. 22.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) many long-short pairs (c) triangle against a bar (d) one tall, one short bar
23. 23.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a line lifted at a gap (c) two equal parallel lines (d) a circle with a cross
24. 24.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) one tall, one short bar (c) a circle with V inside (d) a long and a short line
25. 25.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
26. 26.True or false: one tall, one short bar is the symbol for a diode. (a) False (b) True
27. 27.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a line lifted at a gap (c) a circle with M inside (d) many long-short pairs
28. 28.True or false: a dot where wires meet is the symbol for an LED. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) bulb (c) resistor (d) switch
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) wire (c) diode (d) resistor
31. 31.Which drawing is the symbol for a switch? (a) a circle with a cross (b) many long-short pairs (c) a line lifted at a gap (d) two equal parallel lines
32. 32.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a circle with an X in it (c) triangle against a bar (d) a circle with A inside
33. 33.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
34. 34.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) a line lifted at a gap (c) a circle with an X in it (d) a circle with V inside
35. 35.True or false: a circle with an X in it is the symbol for a capacitor. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) voltmeter (c) junction (d) capacitor
37. 37.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) wire (c) LED (d) voltmeter
38. 38.True or false: a circle with V inside is the symbol for a battery. (a) False (b) True
39. 39.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a line lifted at a gap (c) a straight line (d) triangle, bar and arrows
40. 40.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) voltmeter (c) switch (d) cell

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