Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 862 · 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 long and a short line? (a) LED (b) cell (c) voltmeter (d) switch
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
3. 3.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) triangle, bar and arrows (c) a circle with A inside (d) a line lifted at a gap
4. 4.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with A inside (c) a dot where wires meet (d) a line lifted at a gap
5. 5.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) a circle with A inside (c) a circle with V inside (d) two equal parallel lines
6. 6.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) cell (c) battery (d) resistor
7. 7.Which drawing is the symbol for a diode? (a) many long-short pairs (b) triangle against a bar (c) a dot where wires meet (d) two equal parallel lines
8. 8.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
9. 9.Which drawing is the symbol for a wire? (a) a straight line (b) a dot where wires meet (c) a circle with A inside (d) a circle with V inside
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) ammeter (c) wire (d) voltmeter
11. 11.True or false: two or more cell symbols is the symbol for a voltmeter. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) battery (c) diode (d) LED
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
14. 14.True or false: many long-short pairs is the symbol for a wire. (a) True (b) False
15. 15.True or false: triangle, bar and arrows is the symbol for a diode. (a) True (b) False
16. 16.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
17. 17.True or false: one tall, one short bar is the symbol for a junction. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) bulb (c) voltmeter (d) junction
19. 19.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) bulb (c) diode (d) junction
20. 20.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a small empty box (c) a circle with A inside (d) two or more cell symbols
21. 21.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) switch (c) bulb (d) wire
22. 22.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
23. 23.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
24. 24.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a straight line (c) one tall, one short bar (d) a circle with M inside
25. 25.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
26. 26.Which drawing is the symbol for a switch? (a) a plain rectangle (b) a line lifted at a gap (c) a circle with an X in it (d) one tall, one short bar
27. 27.True or false: a long and a short line is the symbol for a battery. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) ammeter (c) switch (d) resistor
29. 29.True or false: a straight line is the symbol for a wire. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) capacitor (c) resistor (d) junction
31. 31.Which drawing is the symbol for a battery? (a) triangle against a bar (b) many long-short pairs (c) a long and a short line (d) one tall, one short bar
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) cell (c) junction (d) LED
33. 33.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) LED (c) battery (d) resistor
34. 34.True or false: a circle with a cross is the symbol for an LED. (a) True (b) False
35. 35.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a small empty box (c) a dot where wires meet (d) two equal parallel lines
36. 36.True or false: a line lifted at a gap is the symbol for a capacitor. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) cell (c) resistor (d) bulb
38. 38.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) triangle, bar and arrows (c) a circle with A inside (d) two or more cell symbols
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) bulb (c) diode (d) voltmeter
40. 40.Which drawing is the symbol for a voltmeter? (a) a small empty box (b) a circle with V inside (c) a straight line (d) triangle against a bar

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids