Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 860 · 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 cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) battery (c) bulb (d) junction
3. 3.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a small empty box (c) a straight line (d) a circle with V inside
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) cell (c) wire (d) voltmeter
5. 5.Which drawing is the symbol for an LED? (a) a small empty box (b) two or more cell symbols (c) triangle, bar and arrows (d) a circle with V inside
6. 6.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) to make it colourful (d) quick and clear for all
7. 7.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a small empty box (c) many long-short pairs (d) a circle with a cross
8. 8.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a straight line (c) a circle with V inside (d) a circle with an X in it
9. 9.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) voltmeter (c) ammeter (d) LED
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) capacitor (b) switch (c) battery (d) wire
12. 12.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) a circle with A inside (c) a long and a short line (d) a circle with a cross
13. 13.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with a cross (c) a line lifted at a gap (d) a small empty box
14. 14.Which drawing is the symbol for a cell? (a) a circle with V inside (b) triangle against a bar (c) a small empty box (d) a long and a short line
15. 15.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) wire (c) cell (d) switch
16. 16.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) battery (c) capacitor (d) bulb
18. 18.Which drawing is the symbol for a wire? (a) many long-short pairs (b) triangle, bar and arrows (c) two or more cell symbols (d) a straight line
19. 19.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) a long and a short line (d) a circle with M inside
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) voltmeter (c) diode (d) junction
21. 21.True or false: a circle with a cross is the symbol for a capacitor. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) wire (b) bulb (c) capacitor (d) cell
23. 23.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a circle with a cross (c) a dot where wires meet (d) a small empty box
24. 24.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with an X in it (c) one tall, one short bar (d) a dot where wires meet
25. 25.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
26. 26.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) battery (d) diode
27. 27.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) cell (c) battery (d) switch
28. 28.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) battery (c) cell (d) resistor
29. 29.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) motor (c) capacitor (d) cell
30. 30.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a circle with M inside (c) a small empty box (d) a circle with a cross
31. 31.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) junction (c) voltmeter (d) battery
32. 32.Which drawing is the symbol for a battery? (a) a straight line (b) a line lifted at a gap (c) a circle with a cross (d) two or more cell symbols
33. 33.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) resistor (c) bulb (d) cell
34. 34.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
35. 35.True or false: a circle with a cross is the symbol for a battery. (a) True (b) False
36. 36.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) bulb (c) resistor (d) voltmeter
38. 38.True or false: two or more cell symbols is the symbol for a diode. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) cell (c) motor (d) bulb
40. 40.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a plain rectangle (c) a circle with M inside (d) a long and a short line

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