Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 386 · 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 triangle, bar and arrows? (a) LED (b) cell (c) voltmeter (d) ammeter
2. 2.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a long and a short line (c) a plain rectangle (d) many long-short pairs
3. 3.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
5. 5.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) resistor (c) wire (d) switch
6. 6.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) many long-short pairs (c) a dot where wires meet (d) a circle with M inside
7. 7.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) voltmeter (c) bulb (d) diode
9. 9.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) ammeter (c) cell (d) resistor
10. 10.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
11. 11.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) one tall, one short bar (c) two or more cell symbols (d) a circle with a cross
12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) switch (c) junction (d) resistor
13. 13.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) cell (c) switch (d) ammeter
14. 14.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
15. 15.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) a circle with an X in it (c) a circle with M inside (d) two equal parallel lines
16. 16.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) triangle, bar and arrows (c) many long-short pairs (d) a circle with M inside
17. 17.Which drawing is the symbol for a cell? (a) a straight line (b) a line lifted at a gap (c) a circle with a cross (d) one tall, one short bar
18. 18.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) diode (c) LED (d) capacitor
19. 19.True or false: two or more cell symbols is the symbol for an LED. (a) False (b) True
20. 20.True or false: a small empty box is the symbol for a bulb. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) motor (c) resistor (d) junction
22. 22.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
23. 23.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) diode (c) ammeter (d) junction
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) voltmeter (c) switch (d) wire
26. 26.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) LED (c) wire (d) junction
27. 27.True or false: two or more cell symbols is the symbol for a motor. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) junction (c) battery (d) resistor
29. 29.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
30. 30.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a long and a short line (c) a circle with A inside (d) a dot where wires meet
31. 31.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) motor (c) voltmeter (d) battery
33. 33.Which drawing is the symbol for an LED? (a) many long-short pairs (b) a line lifted at a gap (c) triangle, bar and arrows (d) two equal parallel lines
34. 34.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) two or more cell symbols (c) a dot where wires meet (d) a circle with an X in it
35. 35.True or false: a circle with A inside is the symbol for a resistor. (a) True (b) False
36. 36.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
37. 37.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
38. 38.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
39. 39.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a small empty box (c) a straight line (d) a long and a short line
40. 40.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) many long-short pairs (c) a circle with an X in it (d) two or more cell symbols

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