Electronics Worksheet: Circuit Symbols

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

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