Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 592 · 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 a bulb? (a) a plain rectangle (b) triangle, bar and arrows (c) triangle against a bar (d) a circle with a cross
2. 2.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) triangle against a bar (c) many long-short pairs (d) a circle with A inside
3. 3.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
4. 4.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
5. 5.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
6. 6.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) voltmeter (c) battery (d) wire
8. 8.True or false: many long-short pairs is the symbol for a wire. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) capacitor (c) LED (d) motor
10. 10.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) resistor (c) ammeter (d) LED
11. 11.Which drawing is the symbol for a battery? (a) a circle with a cross (b) many long-short pairs (c) a plain rectangle (d) a circle with V inside
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
13. 13.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) switch (c) LED (d) motor
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) junction (c) switch (d) ammeter
15. 15.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) cell (c) LED (d) battery
17. 17.True or false: a dot where wires meet is the symbol for a bulb. (a) True (b) False
18. 18.Which drawing is the symbol for a battery? (a) a circle with a cross (b) two or more cell symbols (c) a straight line (d) triangle against a bar
19. 19.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) ammeter (c) LED (d) bulb
20. 20.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a dot where wires meet (c) many long-short pairs (d) a plain rectangle
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) cell (c) switch (d) motor
22. 22.True or false: one tall, one short bar is the symbol for a motor. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) capacitor (c) bulb (d) LED
24. 24.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
25. 25.Which drawing is the symbol for a switch? (a) a small empty box (b) a plain rectangle (c) a line lifted at a gap (d) a straight line
26. 26.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) two or more cell symbols (c) triangle against a bar (d) two equal parallel lines
27. 27.True or false: a straight line is the symbol for a resistor. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) diode (c) battery (d) wire
29. 29.True or false: a plain rectangle is the symbol for a junction. (a) True (b) False
30. 30.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) straight lines (d) wavy lines
31. 31.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) LED (b) capacitor (c) diode (d) battery
32. 32.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
33. 33.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) many long-short pairs (c) a circle with an X in it (d) a circle with V inside
34. 34.Which drawing is the symbol for a diode? (a) a plain rectangle (b) triangle against a bar (c) a circle with an X in it (d) many long-short pairs
35. 35.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) a small empty box (c) triangle against a bar (d) a circle with V inside
36. 36.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) wire (c) battery (d) cell
37. 37.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
38. 38.True or false: a straight line is the symbol for a wire. (a) True (b) False
39. 39.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) one tall, one short bar (c) two equal parallel lines (d) a circle with V inside
40. 40.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) capacitor (d) battery

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