Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 960 · 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 many long-short pairs? (a) switch (b) battery (c) LED (d) resistor
2. 2.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
3. 3.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) cell (c) voltmeter (d) battery
4. 4.True or false: one tall, one short bar is the symbol for an ammeter. (a) True (b) False
5. 5.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) triangle against a bar (c) two equal parallel lines (d) a circle with V inside
6. 6.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) diode (c) motor (d) bulb
7. 7.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) cell (c) capacitor (d) resistor
9. 9.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a plain rectangle (c) two or more cell symbols (d) one tall, one short bar
10. 10.Which drawing is the symbol for a motor? (a) a circle with V inside (b) triangle against a bar (c) a circle with M inside (d) two equal parallel lines
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) wire (c) ammeter (d) diode
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
13. 13.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) switch (c) diode (d) resistor
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) wire (c) battery (d) bulb
15. 15.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a straight line (c) two or more cell symbols (d) triangle against a bar
16. 16.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) LED (c) motor (d) battery
18. 18.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
19. 19.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a long and a short line (c) one tall, one short bar (d) a circle with V inside
20. 20.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
21. 21.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
22. 22.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a dot where wires meet (c) a circle with an X in it (d) triangle, bar and arrows
23. 23.Which drawing is the symbol for a wire? (a) a plain rectangle (b) a straight line (c) many long-short pairs (d) a circle with M inside
24. 24.True or false: one tall, one short bar is the symbol for a voltmeter. (a) True (b) False
25. 25.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) capacitor (c) diode (d) switch
27. 27.Which drawing is the symbol for a diode? (a) a circle with M inside (b) a long and a short line (c) two or more cell symbols (d) triangle against a bar
28. 28.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a straight line (c) a circle with a cross (d) one tall, one short bar
29. 29.True or false: two equal parallel lines is the symbol for a junction. (a) False (b) True
30. 30.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) wire (c) LED (d) cell
32. 32.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
33. 33.True or false: two or more cell symbols is the symbol for an LED. (a) False (b) True
34. 34.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) two or more cell symbols (c) a circle with A inside (d) a small empty box
35. 35.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a plain rectangle (c) triangle, bar and arrows (d) a dot where wires meet
36. 36.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) capacitor (d) battery
37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
38. 38.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
39. 39.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with an X in it (c) triangle against a bar (d) a circle with A inside
40. 40.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) voltmeter (b) battery (c) resistor (d) LED

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