Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 896 · 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 switch? (a) two or more cell symbols (b) a line lifted at a gap (c) a circle with an X in it (d) a plain rectangle
2. 2.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) ammeter (c) LED (d) bulb
4. 4.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a line lifted at a gap (c) one tall, one short bar (d) a circle with a cross
5. 5.Which drawing is the symbol for an LED? (a) a straight line (b) two or more cell symbols (c) triangle, bar and arrows (d) a dot where wires meet
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) ammeter (c) cell (d) wire
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) straight lines (d) wavy lines
8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) cell (c) switch (d) wire
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
10. 10.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
11. 11.True or false: a straight line is the symbol for a switch. (a) True (b) False
12. 12.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) many long-short pairs (c) a circle with V inside (d) two equal parallel lines
13. 13.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a long and a short line (c) a circle with M inside (d) a circle with A inside
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) wire (c) capacitor (d) voltmeter
15. 15.True or false: a small empty box is the symbol for a battery. (a) True (b) False
16. 16.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a plain rectangle (c) a small empty box (d) two or more cell symbols
17. 17.True or false: a straight line is the symbol for a wire. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) switch (c) capacitor (d) cell
19. 19.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
20. 20.True or false: a small empty box is the symbol for a voltmeter. (a) True (b) False
21. 21.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) motor (c) battery (d) LED
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) diode (c) battery (d) wire
24. 24.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a small empty box (c) a circle with V inside (d) triangle against a bar
25. 25.True or false: a small empty box is the symbol for a junction. (a) False (b) True
26. 26.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) a circle with an X in it (c) a line lifted at a gap (d) a small empty box
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 two equal parallel lines? (a) bulb (b) battery (c) capacitor (d) LED
29. 29.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
30. 30.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
31. 31.True or false: many long-short pairs is the symbol for a switch. (a) True (b) False
32. 32.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) one tall, one short bar (c) a dot where wires meet (d) a long and a short line
33. 33.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
34. 34.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
35. 35.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a circle with a cross (c) many long-short pairs (d) a long and a short line
36. 36.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
37. 37.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) cell (c) battery (d) junction
39. 39.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a plain rectangle (c) triangle against a bar (d) a line lifted at a gap
40. 40.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) one tall, one short bar (c) a circle with V inside (d) a circle with a cross

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