Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 872 · 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) diode (b) cell (c) wire (d) motor
2. 2.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) junction (c) cell (d) resistor
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
4. 4.True or false: many long-short pairs is the symbol for a cell. (a) False (b) True
5. 5.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
6. 6.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) ammeter (c) cell (d) diode
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) bulb (c) motor (d) junction
8. 8.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
9. 9.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) many long-short pairs (c) a circle with M inside (d) a plain rectangle
10. 10.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) resistor (d) junction
12. 12.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
13. 13.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
14. 14.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) triangle against a bar (c) a straight line (d) a plain rectangle
15. 15.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a small empty box (c) a circle with A inside (d) a dot where wires meet
16. 16.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a plain rectangle (c) one tall, one short bar (d) two or more cell symbols
17. 17.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
18. 18.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) triangle against a bar (c) a plain rectangle (d) two or more cell symbols
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) battery (c) switch (d) diode
20. 20.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) bulb (c) voltmeter (d) wire
21. 21.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
22. 22.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with a cross (c) a circle with A inside (d) a plain rectangle
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) voltmeter (c) bulb (d) junction
24. 24.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a straight line (c) a line lifted at a gap (d) a dot where wires meet
25. 25.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) resistor (c) cell (d) bulb
26. 26.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) triangle, bar and arrows (c) a circle with V inside (d) a circle with a cross
27. 27.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with V inside (c) a circle with A inside (d) a circle with M inside
28. 28.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) triangle, bar and arrows (c) triangle against a bar (d) a long and a short line
29. 29.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) many long-short pairs (c) a circle with M inside (d) a straight line
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) ammeter (c) cell (d) voltmeter
31. 31.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) LED (c) battery (d) voltmeter
33. 33.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
34. 34.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) one tall, one short bar (c) a circle with a cross (d) a small empty box
35. 35.Which drawing is the symbol for a cell? (a) a small empty box (b) a circle with V inside (c) a circle with M inside (d) one tall, one short bar
36. 36.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) two equal parallel lines (c) a circle with V inside (d) a plain rectangle
37. 37.True or false: a straight line is the symbol for a wire. (a) False (b) True
38. 38.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) cell (c) ammeter (d) battery
40. 40.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a long and a short line (c) a circle with an X in it (d) a plain rectangle

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