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ScienceAges 13-15

Electric charge & current (Q = It)

Use Q = It to calculate electric charge in coulombs from steady current and time. Review suitability for your learners before teaching.

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Age band:Ages 13-15Ages 16-18

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Worksheet StudioPractice pack · Ages 13-15

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 12 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 26 s

  2. 2. A steady current of 10 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 65 s

  3. 3. A steady current of 1 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 103 s

  4. 4. A steady current of 1 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 16 s

  5. 5. A steady current of 5 A flows through a lamp for 85 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 5 A · t = 85 s

  6. 6. A steady current of 1 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 101 s

  7. 7. A steady current of 12 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 30 s

  8. 8. A steady current of 11 A flows through a lamp for 116 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 116 s

  9. 9. A steady current of 2 A flows through a lamp for 108 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 108 s

  10. 10. A steady current of 11 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 77 s

  11. 11. A steady current of 4 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 4 A · t = 77 s

  12. 12. A steady current of 12 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 60 s
12 questions · Seed 52 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 13-15

Electric charge & current (Q = It)

Answers and reasoning. Review before teaching.

  1. 1. A steady current of 12 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    312 C

    Charge Q = current × time = 12 A × 26 s = 312 C.

  2. 2. A steady current of 10 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    650 C

    Charge Q = current × time = 10 A × 65 s = 650 C.

  3. 3. A steady current of 1 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    103 C

    Charge Q = current × time = 1 A × 103 s = 103 C.

  4. 4. A steady current of 1 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    16 C

    Charge Q = current × time = 1 A × 16 s = 16 C.

  5. 5. A steady current of 5 A flows through a lamp for 85 s. Calculate the total electric charge transferred using Q = It.

    425 C

    Charge Q = current × time = 5 A × 85 s = 425 C.

  6. 6. A steady current of 1 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    101 C

    Charge Q = current × time = 1 A × 101 s = 101 C.

  7. 7. A steady current of 12 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    360 C

    Charge Q = current × time = 12 A × 30 s = 360 C.

  8. 8. A steady current of 11 A flows through a lamp for 116 s. Calculate the total electric charge transferred using Q = It.

    1276 C

    Charge Q = current × time = 11 A × 116 s = 1276 C.

  9. 9. A steady current of 2 A flows through a lamp for 108 s. Calculate the total electric charge transferred using Q = It.

    216 C

    Charge Q = current × time = 2 A × 108 s = 216 C.

  10. 10. A steady current of 11 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    847 C

    Charge Q = current × time = 11 A × 77 s = 847 C.

  11. 11. A steady current of 4 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    308 C

    Charge Q = current × time = 4 A × 77 s = 308 C.

  12. 12. A steady current of 12 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    720 C

    Charge Q = current × time = 12 A × 60 s = 720 C.

12 questions · Seed 52 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 12 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 26 s

  2. 2. A steady current of 10 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 65 s

  3. 3. A steady current of 1 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 103 s

  4. 4. A steady current of 1 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 16 s

  5. 5. A steady current of 5 A flows through a lamp for 85 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 5 A · t = 85 s

  6. 6. A steady current of 1 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 101 s

  7. 7. A steady current of 12 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 30 s

  8. 8. A steady current of 11 A flows through a lamp for 116 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 116 s

  9. 9. A steady current of 2 A flows through a lamp for 108 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 108 s

  10. 10. A steady current of 11 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 77 s

  11. 11. A steady current of 4 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 4 A · t = 77 s

  12. 12. A steady current of 12 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 60 s
12 questions · Seed 52 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Electric charge & current (Q = It)

Answers and reasoning. Review before teaching.

  1. 1. A steady current of 12 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    312 C

    Charge Q = current × time = 12 A × 26 s = 312 C.

  2. 2. A steady current of 10 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    650 C

    Charge Q = current × time = 10 A × 65 s = 650 C.

  3. 3. A steady current of 1 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    103 C

    Charge Q = current × time = 1 A × 103 s = 103 C.

  4. 4. A steady current of 1 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    16 C

    Charge Q = current × time = 1 A × 16 s = 16 C.

  5. 5. A steady current of 5 A flows through a lamp for 85 s. Calculate the total electric charge transferred using Q = It.

    425 C

    Charge Q = current × time = 5 A × 85 s = 425 C.

  6. 6. A steady current of 1 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    101 C

    Charge Q = current × time = 1 A × 101 s = 101 C.

  7. 7. A steady current of 12 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    360 C

    Charge Q = current × time = 12 A × 30 s = 360 C.

  8. 8. A steady current of 11 A flows through a lamp for 116 s. Calculate the total electric charge transferred using Q = It.

    1276 C

    Charge Q = current × time = 11 A × 116 s = 1276 C.

  9. 9. A steady current of 2 A flows through a lamp for 108 s. Calculate the total electric charge transferred using Q = It.

    216 C

    Charge Q = current × time = 2 A × 108 s = 216 C.

  10. 10. A steady current of 11 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    847 C

    Charge Q = current × time = 11 A × 77 s = 847 C.

  11. 11. A steady current of 4 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    308 C

    Charge Q = current × time = 4 A × 77 s = 308 C.

  12. 12. A steady current of 12 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    720 C

    Charge Q = current × time = 12 A × 60 s = 720 C.

12 questions · Seed 52 · Age guidance, not curriculum certification