Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 278 · 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 diode? (a) triangle against a bar (b) a circle with a cross (c) many long-short pairs (d) a plain rectangle
2. 2.True or false: a plain rectangle is the symbol for a junction. (a) False (b) True
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
4. 4.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) resistor (c) bulb (d) LED
5. 5.True or false: a circle with V inside is the symbol for a bulb. (a) False (b) True
6. 6.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) two equal parallel lines (c) many long-short pairs (d) a dot where wires meet
7. 7.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with an X in it (c) a long and a short line (d) a circle with a cross
8. 8.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a circle with V inside (c) a line lifted at a gap (d) a long and a short line
9. 9.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) switch (c) resistor (d) wire
10. 10.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) battery (c) diode (d) bulb
11. 11.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) capacitor (c) junction (d) resistor
12. 12.Which drawing is the symbol for a cell? (a) a circle with a cross (b) many long-short pairs (c) triangle, bar and arrows (d) one tall, one short bar
13. 13.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) a line lifted at a gap (c) a circle with a cross (d) a straight line
14. 14.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
15. 15.True or false: a circle with a cross is the symbol for a wire. (a) True (b) False
16. 16.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a line lifted at a gap (c) a circle with an X in it (d) a circle with A inside
17. 17.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
18. 18.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
19. 19.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
21. 21.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a dot where wires meet (c) one tall, one short bar (d) a long and a short line
22. 22.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a small empty box (c) a circle with M inside (d) a long and a short line
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) battery (c) capacitor (d) wire
24. 24.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) voltmeter (c) wire (d) resistor
25. 25.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
26. 26.True or false: triangle, bar and arrows is the symbol for a voltmeter. (a) True (b) False
27. 27.True or false: triangle against a bar is the symbol for a bulb. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) cell (c) ammeter (d) bulb
29. 29.True or false: a circle with an X in it is the symbol for an ammeter. (a) True (b) False
30. 30.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
31. 31.True or false: a circle with A inside is the symbol for a motor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) bulb (c) capacitor (d) resistor
33. 33.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
34. 34.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
35. 35.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) two or more cell symbols (c) a circle with an X in it (d) a circle with M inside
36. 36.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) a circle with V inside (c) a circle with an X in it (d) triangle against a bar
37. 37.True or false: a line lifted at a gap is the symbol for a diode. (a) True (b) False
38. 38.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
39. 39.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
40. 40.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with M inside (c) a line lifted at a gap (d) triangle, bar and arrows

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