Electronics Worksheet: Circuit Symbols

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

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