Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 377 · 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.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a plain rectangle (c) a circle with M inside (d) a circle with V inside
2. 2.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a circle with a cross (c) a straight line (d) one tall, one short bar
3. 3.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
4. 4.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a dot where wires meet (c) a plain rectangle (d) many long-short pairs
5. 5.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a small empty box (c) a circle with M inside (d) triangle, bar and arrows
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) diode (c) switch (d) wire
7. 7.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False
8. 8.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) a straight line (c) triangle, bar and arrows (d) a circle with a cross
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) battery (c) resistor (d) LED
11. 11.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
12. 12.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) ammeter (c) battery (d) bulb
13. 13.Which drawing is the symbol for a capacitor? (a) a small empty box (b) two or more cell symbols (c) two equal parallel lines (d) a dot where wires meet
14. 14.True or false: a line lifted at a gap is the symbol for an ammeter. (a) True (b) False
15. 15.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with a cross (c) a dot where wires meet (d) one tall, one short bar
16. 16.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a dot where wires meet (c) a circle with A inside (d) a circle with M inside
17. 17.True or false: many long-short pairs is the symbol for a diode. (a) False (b) True
18. 18.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
19. 19.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) switch (c) resistor (d) bulb
21. 21.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
22. 22.Which drawing is the symbol for a bulb? (a) a small empty box (b) a circle with an X in it (c) many long-short pairs (d) a plain rectangle
23. 23.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) diode (c) switch (d) battery
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) ammeter (c) wire (d) bulb
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) voltmeter (c) junction (d) bulb
26. 26.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) voltmeter (c) wire (d) switch
27. 27.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) LED (c) wire (d) cell
28. 28.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
29. 29.True or false: one tall, one short bar is the symbol for a capacitor. (a) False (b) True
30. 30.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
31. 31.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a circle with V inside (c) a circle with A inside (d) many long-short pairs
32. 32.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
33. 33.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a straight line (c) a circle with M inside (d) a line lifted at a gap
34. 34.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) straight lines (d) wavy lines
35. 35.True or false: a line lifted at a gap is the symbol for a cell. (a) False (b) True
36. 36.True or false: a line lifted at a gap is the symbol for a wire. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) resistor (b) motor (c) diode (d) battery
38. 38.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) a circle with V inside (c) a circle with a cross (d) one tall, one short bar
39. 39.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with A inside (c) a circle with an X in it (d) two or more cell symbols
40. 40.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False

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