Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 892 · 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.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
2. 2.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a circle with an X in it (c) a dot where wires meet (d) a plain rectangle
3. 3.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
4. 4.True or false: a circle with an X in it is the symbol for an ammeter. (a) False (b) True
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) ammeter (c) junction (d) LED
8. 8.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two equal parallel lines (c) a circle with M inside (d) a dot where wires meet
9. 9.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with V inside (d) a circle with a cross
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) switch (c) LED (d) voltmeter
11. 11.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with A inside (c) one tall, one short bar (d) a small empty box
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) capacitor (c) voltmeter (d) diode
13. 13.True or false: a circle with M inside is the symbol for an LED. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) voltmeter (c) battery (d) resistor
15. 15.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) capacitor (c) diode (d) LED
16. 16.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) LED (c) bulb (d) resistor
18. 18.True or false: triangle against a bar is the symbol for a motor. (a) True (b) False
19. 19.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
20. 20.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a plain rectangle (c) a circle with M inside (d) two or more cell symbols
21. 21.True or false: two equal parallel lines is the symbol for a wire. (a) False (b) True
22. 22.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) two equal parallel lines (c) a long and a short line (d) a circle with M inside
23. 23.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a long and a short line (c) triangle against a bar (d) two or more cell symbols
24. 24.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
25. 25.True or false: a circle with V inside is the symbol for a capacitor. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) LED (c) wire (d) voltmeter
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) voltmeter (c) switch (d) resistor
28. 28.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
29. 29.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a small empty box (c) two or more cell symbols (d) a circle with M inside
30. 30.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
31. 31.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
32. 32.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) one tall, one short bar (c) a circle with V inside (d) a circle with A inside
33. 33.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) battery (c) resistor (d) motor
34. 34.True or false: a circle with a cross is the symbol for a cell. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) motor (c) cell (d) battery
36. 36.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
37. 37.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) triangle against a bar (c) a circle with V inside (d) a circle with an X in it
38. 38.True or false: a line lifted at a gap is the symbol for a bulb. (a) True (b) False
39. 39.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
40. 40.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False

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