Small practice. Bright discoveries.Explore the free starter collection
worksheetstudio.
Sign in
Back to worksheets
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.

New variationTry interactive challengeBrowse templates
Age band:Ages 13-15Ages 16-18

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 13-15

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 11 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 72 s

  2. 2. A steady current of 9 A flows through a lamp for 111 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 111 s

  3. 3. A steady current of 6 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 6 A · t = 103 s

  4. 4. A steady current of 11 A flows through a lamp for 79 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 79 s

  5. 5. A steady current of 2 A flows through a lamp for 44 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 44 s

  6. 6. A steady current of 8 A flows through a lamp for 117 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 8 A · t = 117 s

  7. 7. A steady current of 15 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 77 s

  8. 8. A steady current of 12 A flows through a lamp for 107 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 107 s

  9. 9. A steady current of 3 A flows through a lamp for 80 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 80 s

  10. 10. A steady current of 10 A flows through a lamp for 78 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 78 s

  11. 11. A steady current of 3 A flows through a lamp for 57 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 57 s

  12. 12. A steady current of 5 A flows through a lamp for 87 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 5 A · t = 87 s
12 questions · Seed 104735 · 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 11 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    792 C

    Charge Q = current × time = 11 A × 72 s = 792 C.

  2. 2. A steady current of 9 A flows through a lamp for 111 s. Calculate the total electric charge transferred using Q = It.

    999 C

    Charge Q = current × time = 9 A × 111 s = 999 C.

  3. 3. A steady current of 6 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    618 C

    Charge Q = current × time = 6 A × 103 s = 618 C.

  4. 4. A steady current of 11 A flows through a lamp for 79 s. Calculate the total electric charge transferred using Q = It.

    869 C

    Charge Q = current × time = 11 A × 79 s = 869 C.

  5. 5. A steady current of 2 A flows through a lamp for 44 s. Calculate the total electric charge transferred using Q = It.

    88 C

    Charge Q = current × time = 2 A × 44 s = 88 C.

  6. 6. A steady current of 8 A flows through a lamp for 117 s. Calculate the total electric charge transferred using Q = It.

    936 C

    Charge Q = current × time = 8 A × 117 s = 936 C.

  7. 7. A steady current of 15 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    1155 C

    Charge Q = current × time = 15 A × 77 s = 1155 C.

  8. 8. A steady current of 12 A flows through a lamp for 107 s. Calculate the total electric charge transferred using Q = It.

    1284 C

    Charge Q = current × time = 12 A × 107 s = 1284 C.

  9. 9. A steady current of 3 A flows through a lamp for 80 s. Calculate the total electric charge transferred using Q = It.

    240 C

    Charge Q = current × time = 3 A × 80 s = 240 C.

  10. 10. A steady current of 10 A flows through a lamp for 78 s. Calculate the total electric charge transferred using Q = It.

    780 C

    Charge Q = current × time = 10 A × 78 s = 780 C.

  11. 11. A steady current of 3 A flows through a lamp for 57 s. Calculate the total electric charge transferred using Q = It.

    171 C

    Charge Q = current × time = 3 A × 57 s = 171 C.

  12. 12. A steady current of 5 A flows through a lamp for 87 s. Calculate the total electric charge transferred using Q = It.

    435 C

    Charge Q = current × time = 5 A × 87 s = 435 C.

12 questions · Seed 104735 · 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 11 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 72 s

  2. 2. A steady current of 9 A flows through a lamp for 111 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 111 s

  3. 3. A steady current of 6 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 6 A · t = 103 s

  4. 4. A steady current of 11 A flows through a lamp for 79 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 79 s

  5. 5. A steady current of 2 A flows through a lamp for 44 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 44 s

  6. 6. A steady current of 8 A flows through a lamp for 117 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 8 A · t = 117 s

  7. 7. A steady current of 15 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 77 s

  8. 8. A steady current of 12 A flows through a lamp for 107 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 107 s

  9. 9. A steady current of 3 A flows through a lamp for 80 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 80 s

  10. 10. A steady current of 10 A flows through a lamp for 78 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 78 s

  11. 11. A steady current of 3 A flows through a lamp for 57 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 57 s

  12. 12. A steady current of 5 A flows through a lamp for 87 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 5 A · t = 87 s
12 questions · Seed 104735 · 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 11 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    792 C

    Charge Q = current × time = 11 A × 72 s = 792 C.

  2. 2. A steady current of 9 A flows through a lamp for 111 s. Calculate the total electric charge transferred using Q = It.

    999 C

    Charge Q = current × time = 9 A × 111 s = 999 C.

  3. 3. A steady current of 6 A flows through a lamp for 103 s. Calculate the total electric charge transferred using Q = It.

    618 C

    Charge Q = current × time = 6 A × 103 s = 618 C.

  4. 4. A steady current of 11 A flows through a lamp for 79 s. Calculate the total electric charge transferred using Q = It.

    869 C

    Charge Q = current × time = 11 A × 79 s = 869 C.

  5. 5. A steady current of 2 A flows through a lamp for 44 s. Calculate the total electric charge transferred using Q = It.

    88 C

    Charge Q = current × time = 2 A × 44 s = 88 C.

  6. 6. A steady current of 8 A flows through a lamp for 117 s. Calculate the total electric charge transferred using Q = It.

    936 C

    Charge Q = current × time = 8 A × 117 s = 936 C.

  7. 7. A steady current of 15 A flows through a lamp for 77 s. Calculate the total electric charge transferred using Q = It.

    1155 C

    Charge Q = current × time = 15 A × 77 s = 1155 C.

  8. 8. A steady current of 12 A flows through a lamp for 107 s. Calculate the total electric charge transferred using Q = It.

    1284 C

    Charge Q = current × time = 12 A × 107 s = 1284 C.

  9. 9. A steady current of 3 A flows through a lamp for 80 s. Calculate the total electric charge transferred using Q = It.

    240 C

    Charge Q = current × time = 3 A × 80 s = 240 C.

  10. 10. A steady current of 10 A flows through a lamp for 78 s. Calculate the total electric charge transferred using Q = It.

    780 C

    Charge Q = current × time = 10 A × 78 s = 780 C.

  11. 11. A steady current of 3 A flows through a lamp for 57 s. Calculate the total electric charge transferred using Q = It.

    171 C

    Charge Q = current × time = 3 A × 57 s = 171 C.

  12. 12. A steady current of 5 A flows through a lamp for 87 s. Calculate the total electric charge transferred using Q = It.

    435 C

    Charge Q = current × time = 5 A × 87 s = 435 C.

12 questions · Seed 104735 · Age guidance, not curriculum certification