Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 942 · 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 battery? (a) two or more cell symbols (b) triangle against a bar (c) a small empty box (d) a dot where wires meet
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) resistor (c) ammeter (d) bulb
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) wire (c) ammeter (d) resistor
4. 4.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a straight line (c) a circle with a cross (d) a circle with M inside
5. 5.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
6. 6.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) cell (c) bulb (d) switch
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
8. 8.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) LED (c) junction (d) capacitor
9. 9.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
10. 10.Which drawing is the symbol for a wire? (a) a straight line (b) a long and a short line (c) two or more cell symbols (d) triangle against a bar
11. 11.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
12. 12.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
13. 13.Which drawing is the symbol for a switch? (a) a plain rectangle (b) a long and a short line (c) a line lifted at a gap (d) a straight line
14. 14.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) voltmeter (b) motor (c) cell (d) resistor
15. 15.True or false: a circle with A inside is the symbol for a voltmeter. (a) True (b) False
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) ammeter (c) resistor (d) motor
18. 18.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
19. 19.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) two equal parallel lines (c) triangle against a bar (d) one tall, one short bar
20. 20.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
21. 21.True or false: a small empty box is the symbol for a cell. (a) True (b) False
22. 22.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) resistor (c) battery (d) switch
24. 24.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a plain rectangle (c) one tall, one short bar (d) a circle with a cross
25. 25.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) LED (b) motor (c) battery (d) wire
26. 26.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a circle with a cross (c) a line lifted at a gap (d) a circle with V inside
27. 27.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
28. 28.True or false: a straight line is the symbol for a resistor. (a) True (b) False
29. 29.Which drawing is the symbol for a cell? (a) triangle against a bar (b) many long-short pairs (c) a straight line (d) one tall, one short bar
30. 30.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
31. 31.True or false: a circle with a cross is the symbol for a resistor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) diode (d) LED
33. 33.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) battery (c) switch (d) junction
35. 35.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
36. 36.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with an X in it (c) a circle with V inside (d) two or more cell symbols
37. 37.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) junction (c) bulb (d) battery
38. 38.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) many long-short pairs (c) triangle, bar and arrows (d) a long and a short line
39. 39.True or false: a long and a short line is the symbol for a junction. (a) True (b) False
40. 40.Which drawing is the symbol for a diode? (a) a plain rectangle (b) triangle against a bar (c) one tall, one short bar (d) a straight line

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