Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 738 · 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 an ammeter? (a) a line lifted at a gap (b) a small empty box (c) a circle with A inside (d) triangle against a bar
2. 2.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) battery (c) diode (d) resistor
4. 4.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a long and a short line (c) triangle, bar and arrows (d) a small empty box
5. 5.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
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: a line lifted at a gap is the symbol for a battery. (a) False (b) True
8. 8.True or false: a straight line is the symbol for an ammeter. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) motor (b) cell (c) junction (d) ammeter
10. 10.True or false: a small empty box is the symbol for a diode. (a) True (b) False
11. 11.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) diode (c) ammeter (d) resistor
13. 13.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
15. 15.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a circle with M inside (c) a dot where wires meet (d) a plain rectangle
16. 16.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) diode (c) wire (d) cell
18. 18.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) motor (c) switch (d) LED
19. 19.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a plain rectangle (c) a circle with V inside (d) a circle with A inside
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) diode (c) battery (d) junction
21. 21.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a plain rectangle (c) a straight line (d) one tall, one short bar
22. 22.True or false: a circle with a cross is the symbol for a switch. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) capacitor (c) motor (d) battery
24. 24.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
25. 25.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a long and a short line (c) a circle with a cross (d) a small empty box
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) motor (c) capacitor (d) wire
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) voltmeter (c) cell (d) bulb
28. 28.✏️ 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
29. 29.True or false: a straight line is the symbol for a resistor. (a) False (b) True
30. 30.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with M inside (c) triangle against a bar (d) a line lifted at a gap
31. 31.True or false: a dot where wires meet is the symbol for a cell. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) cell (c) ammeter (d) bulb
33. 33.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) wire (d) capacitor
34. 34.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a plain rectangle (c) a circle with M inside (d) a circle with an X in it
35. 35.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) many long-short pairs (d) a straight line
36. 36.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) LED (c) bulb (d) diode
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) LED (c) battery (d) voltmeter
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) ammeter (c) capacitor (d) battery
39. 39.True or false: a circle with an X in it is the symbol for an ammeter. (a) True (b) False
40. 40.True or false: two or more cell symbols is the symbol for a capacitor. (a) False (b) True

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