Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 964 · 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 a straight line? (a) voltmeter (b) junction (c) ammeter (d) wire
2. 2.True or false: many long-short pairs is the symbol for a wire. (a) True (b) False
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
4. 4.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
5. 5.Which drawing is the symbol for a cell? (a) a circle with a cross (b) one tall, one short bar (c) a small empty box (d) a circle with A inside
6. 6.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) capacitor (c) resistor (d) junction
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) ammeter (c) switch (d) voltmeter
8. 8.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) resistor (c) voltmeter (d) motor
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
10. 10.True or false: two equal parallel lines is the symbol for an ammeter. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) motor (c) cell (d) resistor
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
13. 13.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) LED (c) motor (d) resistor
14. 14.True or false: a line lifted at a gap is the symbol for an LED. (a) True (b) False
15. 15.Which drawing is the symbol for an LED? (a) a circle with A inside (b) triangle, bar and arrows (c) a circle with M inside (d) a dot where wires meet
16. 16.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) capacitor (c) cell (d) battery
17. 17.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
18. 18.True or false: a straight line is the symbol for a switch. (a) False (b) True
19. 19.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) triangle against a bar (c) a plain rectangle (d) two equal parallel lines
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) switch (c) bulb (d) voltmeter
21. 21.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) bulb (b) cell (c) LED (d) wire
22. 22.True or false: a straight line is the symbol for a wire. (a) True (b) False
23. 23.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a circle with an X in it (c) a dot where wires meet (d) a circle with M inside
24. 24.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) resistor (c) capacitor (d) junction
25. 25.Which drawing is the symbol for a wire? (a) a circle with M inside (b) a circle with A inside (c) a circle with an X in it (d) a straight line
26. 26.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
27. 27.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
28. 28.Which drawing is the symbol for a motor? (a) a circle with a cross (b) a circle with M inside (c) a circle with an X in it (d) a dot where wires meet
29. 29.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
30. 30.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
31. 31.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a plain rectangle (c) triangle against a bar (d) a circle with V inside
32. 32.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with M inside (c) a line lifted at a gap (d) a small empty box
33. 33.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) True (b) False
34. 34.True or false: a straight line is the symbol for a diode. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) voltmeter (c) switch (d) ammeter
36. 36.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
37. 37.True or false: two or more cell symbols is the symbol for a motor. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) switch (c) cell (d) ammeter
39. 39.Which drawing is the symbol for a switch? (a) a circle with V inside (b) many long-short pairs (c) two equal parallel lines (d) a line lifted at a gap
40. 40.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True

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