Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 992 · 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 small empty box? (a) ammeter (b) diode (c) capacitor (d) resistor
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
3. 3.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit
4. 4.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) two or more cell symbols (c) a long and a short line (d) two equal parallel lines
5. 5.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) capacitor (c) junction (d) bulb
6. 6.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) a circle with V inside (c) a circle with an X in it (d) one tall, one short bar
7. 7.Which drawing is the symbol for a motor? (a) many long-short pairs (b) a circle with V inside (c) one tall, one short bar (d) a circle with M inside
8. 8.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
9. 9.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a straight line (c) two equal parallel lines (d) a line lifted at a gap
10. 10.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) battery (c) bulb (d) motor
11. 11.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
12. 12.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) resistor (c) capacitor (d) LED
13. 13.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
14. 14.True or false: triangle against a bar is the symbol for a resistor. (a) False (b) True
15. 15.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
16. 16.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) ammeter (d) LED
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) diode (c) LED (d) ammeter
20. 20.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
21. 21.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) a circle with a cross (c) two or more cell symbols (d) one tall, one short bar
22. 22.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
23. 23.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) junction (c) ammeter (d) battery
25. 25.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a circle with V inside (c) a line lifted at a gap (d) triangle, bar and arrows
26. 26.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) LED (c) wire (d) junction
27. 27.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) battery (c) voltmeter (d) capacitor
28. 28.True or false: a straight line is the symbol for a capacitor. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) voltmeter (c) bulb (d) diode
30. 30.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) junction (d) battery
32. 32.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) battery (d) LED
33. 33.Which drawing is the symbol for a bulb? (a) a small empty box (b) triangle, bar and arrows (c) a circle with a cross (d) a plain rectangle
34. 34.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a long and a short line (c) a small empty box (d) a dot where wires meet
35. 35.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) junction (c) capacitor (d) LED
37. 37.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
38. 38.True or false: a straight line is the symbol for a wire. (a) True (b) False
39. 39.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
40. 40.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) a straight line (c) a long and a short line (d) two equal parallel lines

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