Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 696 · 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 circle with A inside? (a) cell (b) switch (c) battery (d) ammeter
2. 2.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
3. 3.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) LED (c) bulb (d) junction
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
6. 6.Which drawing is the symbol for an LED? (a) a circle with a cross (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with V inside
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
8. 8.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to hide the circuit (d) to make it colourful
9. 9.Which drawing is the symbol for a voltmeter? (a) a small empty box (b) a circle with a cross (c) a long and a short line (d) a circle with V inside
10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) diode (d) resistor
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) switch (c) bulb (d) voltmeter
12. 12.Which drawing is the symbol for a diode? (a) a circle with V inside (b) triangle against a bar (c) a circle with an X in it (d) two equal parallel lines
13. 13.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
14. 14.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a line lifted at a gap (c) two equal parallel lines (d) a circle with M inside
15. 15.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
16. 16.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) bulb (c) cell (d) junction
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) motor (c) bulb (d) diode
18. 18.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) junction (c) diode (d) ammeter
20. 20.Which drawing is the symbol for a junction? (a) a circle with an X in it (b) a circle with A inside (c) a dot where wires meet (d) a circle with a cross
21. 21.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) resistor (c) LED (d) wire
22. 22.True or false: two or more cell symbols is the symbol for a diode. (a) False (b) True
23. 23.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) triangle against a bar (c) a circle with V inside (d) two equal parallel lines
24. 24.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with a cross (c) a long and a short line (d) a line lifted at a gap
25. 25.True or false: a small empty box is the symbol for a cell. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) junction (c) battery (d) bulb
27. 27.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
28. 28.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a straight line (c) a line lifted at a gap (d) a long and a short line
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) switch (d) wire
30. 30.Which drawing is the symbol for a wire? (a) a circle with A inside (b) one tall, one short bar (c) triangle against a bar (d) a straight line
31. 31.True or false: triangle, bar and arrows is the symbol for a junction. (a) True (b) False
32. 32.True or false: a circle with an X in it is the symbol for an LED. (a) True (b) False
33. 33.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
34. 34.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) switch (b) cell (c) capacitor (d) battery
36. 36.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) battery (c) voltmeter (d) LED
38. 38.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) resistor (c) capacitor (d) cell
39. 39.True or false: a plain rectangle is the symbol for a capacitor. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) wire (c) ammeter (d) bulb

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