Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 194 · 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 straight line? (a) motor (b) battery (c) cell (d) wire
2. 2.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
3. 3.Which drawing is the symbol for a battery? (a) a small empty box (b) a circle with an X in it (c) a circle with V inside (d) two or more cell symbols
4. 4.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
5. 5.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) many long-short pairs (c) a plain rectangle (d) two or more cell symbols
6. 6.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a circle with A inside (c) a circle with a cross (d) two equal parallel lines
7. 7.True or false: one tall, one short bar is the symbol for a voltmeter. (a) False (b) True
8. 8.Which drawing is the symbol for an LED? (a) a straight line (b) triangle, bar and arrows (c) two equal parallel lines (d) triangle against a bar
9. 9.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) ammeter (c) switch (d) junction
11. 11.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a plain rectangle (c) many long-short pairs (d) a circle with A inside
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
13. 13.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) a circle with a cross (c) a straight line (d) one tall, one short bar
14. 14.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
15. 15.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
16. 16.Which drawing is the symbol for a diode? (a) a circle with a cross (b) a circle with M inside (c) two or more cell symbols (d) triangle against a bar
17. 17.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) junction (c) diode (d) wire
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) battery (c) voltmeter (d) motor
20. 20.True or false: a small empty box is the symbol for a switch. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) LED (c) diode (d) ammeter
22. 22.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) ammeter (c) capacitor (d) resistor
23. 23.Which drawing is the symbol for a wire? (a) a circle with an X in it (b) two or more cell symbols (c) a straight line (d) a circle with M inside
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) motor (c) resistor (d) bulb
25. 25.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) a circle with an X in it (c) a circle with V inside (d) triangle against a bar
26. 26.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a line lifted at a gap (c) a long and a short line (d) a small empty box
27. 27.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) two or more cell symbols (c) many long-short pairs (d) a line lifted at a gap
28. 28.True or false: a circle with an X in it is the symbol for an LED. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) battery (c) resistor (d) junction
30. 30.Which drawing is the symbol for a battery? (a) a small empty box (b) triangle, bar and arrows (c) many long-short pairs (d) a dot where wires meet
31. 31.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) ammeter (b) capacitor (c) motor (d) battery
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) resistor (c) voltmeter (d) battery
33. 33.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
34. 34.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with V inside (c) a long and a short line (d) a circle with M inside
35. 35.True or false: two or more cell symbols is the symbol for an LED. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) junction (c) wire (d) capacitor
37. 37.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
38. 38.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
39. 39.Which drawing is the symbol for a motor? (a) a plain rectangle (b) a line lifted at a gap (c) a circle with M inside (d) two equal parallel lines
40. 40.True or false: a circle with an X in it is the symbol for a capacitor. (a) True (b) False

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