Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 221 · 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 one tall, one short bar? (a) ammeter (b) cell (c) motor (d) battery
2. 2.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) ammeter (c) wire (d) motor
4. 4.✏️ 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
5. 5.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with an X in it (c) a dot where wires meet (d) a circle with a cross
6. 6.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) diode (c) LED (d) wire
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) resistor (c) battery (d) capacitor
8. 8.True or false: one tall, one short bar is the symbol for a resistor. (a) False (b) True
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
10. 10.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
11. 11.Which drawing is the symbol for a diode? (a) many long-short pairs (b) a long and a short line (c) triangle against a bar (d) a circle with A inside
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
13. 13.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
14. 14.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
15. 15.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
16. 16.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
17. 17.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) battery (c) resistor (d) capacitor
19. 19.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with a cross (c) triangle against a bar (d) a small empty box
20. 20.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) many long-short pairs (c) a straight line (d) one tall, one short bar
21. 21.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a circle with A inside (c) many long-short pairs (d) one tall, one short bar
22. 22.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with M inside (c) two or more cell symbols (d) one tall, one short bar
23. 23.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) a straight line (c) a plain rectangle (d) two or more cell symbols
24. 24.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) LED (c) cell (d) diode
25. 25.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
26. 26.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) two or more cell symbols (c) a straight line (d) two equal parallel lines
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) resistor (b) ammeter (c) diode (d) switch
28. 28.True or false: a circle with A inside is the symbol for a bulb. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) wire (c) bulb (d) capacitor
30. 30.True or false: a long and a short line is the symbol for a resistor. (a) False (b) True
31. 31.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
32. 32.True or false: a plain rectangle is the symbol for a capacitor. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) capacitor (c) junction (d) battery
34. 34.True or false: a circle with A inside is the symbol for a voltmeter. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) bulb (c) diode (d) cell
36. 36.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a straight line (c) a plain rectangle (d) a circle with an X in it
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) junction (c) motor (d) voltmeter
38. 38.True or false: two equal parallel lines is the symbol for a battery. (a) True (b) False
39. 39.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
40. 40.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a plain rectangle (c) triangle, bar and arrows (d) triangle against a bar

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