Small practice. Bright discoveries.Explore the free starter collection
worksheetstudio.
Sign in
Back to worksheets
ScienceAges 16-18

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 16-18

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 10 A flows through a lamp for 6 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 6 s

  2. 2. A steady current of 14 A flows through a lamp for 94 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 14 A · t = 94 s

  3. 3. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 7 A · t = 101 s

  4. 4. A steady current of 12 A flows through a lamp for 105 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 105 s

  5. 5. A steady current of 3 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 16 s

  6. 6. A steady current of 6 A flows through a lamp for 50 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 6 A · t = 50 s

  7. 7. A steady current of 14 A flows through a lamp for 89 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 14 A · t = 89 s

  8. 8. A steady current of 2 A flows through a lamp for 109 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 109 s

  9. 9. A steady current of 11 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 60 s

  10. 10. A steady current of 9 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 71 s

  11. 11. A steady current of 3 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 20 s

  12. 12. A steady current of 5 A flows through a lamp for 52 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 5 A · t = 52 s
12 questions · Seed 49 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 16-18

Electric charge & current (Q = It)

Answers and reasoning. Review before teaching.

  1. 1. A steady current of 10 A flows through a lamp for 6 s. Calculate the total electric charge transferred using Q = It.

    60 C

    Charge Q = current × time = 10 A × 6 s = 60 C.

  2. 2. A steady current of 14 A flows through a lamp for 94 s. Calculate the total electric charge transferred using Q = It.

    1316 C

    Charge Q = current × time = 14 A × 94 s = 1316 C.

  3. 3. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    707 C

    Charge Q = current × time = 7 A × 101 s = 707 C.

  4. 4. A steady current of 12 A flows through a lamp for 105 s. Calculate the total electric charge transferred using Q = It.

    1260 C

    Charge Q = current × time = 12 A × 105 s = 1260 C.

  5. 5. A steady current of 3 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    48 C

    Charge Q = current × time = 3 A × 16 s = 48 C.

  6. 6. A steady current of 6 A flows through a lamp for 50 s. Calculate the total electric charge transferred using Q = It.

    300 C

    Charge Q = current × time = 6 A × 50 s = 300 C.

  7. 7. A steady current of 14 A flows through a lamp for 89 s. Calculate the total electric charge transferred using Q = It.

    1246 C

    Charge Q = current × time = 14 A × 89 s = 1246 C.

  8. 8. A steady current of 2 A flows through a lamp for 109 s. Calculate the total electric charge transferred using Q = It.

    218 C

    Charge Q = current × time = 2 A × 109 s = 218 C.

  9. 9. A steady current of 11 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    660 C

    Charge Q = current × time = 11 A × 60 s = 660 C.

  10. 10. A steady current of 9 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    639 C

    Charge Q = current × time = 9 A × 71 s = 639 C.

  11. 11. A steady current of 3 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    60 C

    Charge Q = current × time = 3 A × 20 s = 60 C.

  12. 12. A steady current of 5 A flows through a lamp for 52 s. Calculate the total electric charge transferred using Q = It.

    260 C

    Charge Q = current × time = 5 A × 52 s = 260 C.

12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 16-18

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 10 A flows through a lamp for 6 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 6 s

  2. 2. A steady current of 14 A flows through a lamp for 94 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 14 A · t = 94 s

  3. 3. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 7 A · t = 101 s

  4. 4. A steady current of 12 A flows through a lamp for 105 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 105 s

  5. 5. A steady current of 3 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 16 s

  6. 6. A steady current of 6 A flows through a lamp for 50 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 6 A · t = 50 s

  7. 7. A steady current of 14 A flows through a lamp for 89 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 14 A · t = 89 s

  8. 8. A steady current of 2 A flows through a lamp for 109 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 109 s

  9. 9. A steady current of 11 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 60 s

  10. 10. A steady current of 9 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 71 s

  11. 11. A steady current of 3 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 20 s

  12. 12. A steady current of 5 A flows through a lamp for 52 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 5 A · t = 52 s
12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 16-18

Electric charge & current (Q = It)

Answers and reasoning. Review before teaching.

  1. 1. A steady current of 10 A flows through a lamp for 6 s. Calculate the total electric charge transferred using Q = It.

    60 C

    Charge Q = current × time = 10 A × 6 s = 60 C.

  2. 2. A steady current of 14 A flows through a lamp for 94 s. Calculate the total electric charge transferred using Q = It.

    1316 C

    Charge Q = current × time = 14 A × 94 s = 1316 C.

  3. 3. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    707 C

    Charge Q = current × time = 7 A × 101 s = 707 C.

  4. 4. A steady current of 12 A flows through a lamp for 105 s. Calculate the total electric charge transferred using Q = It.

    1260 C

    Charge Q = current × time = 12 A × 105 s = 1260 C.

  5. 5. A steady current of 3 A flows through a lamp for 16 s. Calculate the total electric charge transferred using Q = It.

    48 C

    Charge Q = current × time = 3 A × 16 s = 48 C.

  6. 6. A steady current of 6 A flows through a lamp for 50 s. Calculate the total electric charge transferred using Q = It.

    300 C

    Charge Q = current × time = 6 A × 50 s = 300 C.

  7. 7. A steady current of 14 A flows through a lamp for 89 s. Calculate the total electric charge transferred using Q = It.

    1246 C

    Charge Q = current × time = 14 A × 89 s = 1246 C.

  8. 8. A steady current of 2 A flows through a lamp for 109 s. Calculate the total electric charge transferred using Q = It.

    218 C

    Charge Q = current × time = 2 A × 109 s = 218 C.

  9. 9. A steady current of 11 A flows through a lamp for 60 s. Calculate the total electric charge transferred using Q = It.

    660 C

    Charge Q = current × time = 11 A × 60 s = 660 C.

  10. 10. A steady current of 9 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    639 C

    Charge Q = current × time = 9 A × 71 s = 639 C.

  11. 11. A steady current of 3 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    60 C

    Charge Q = current × time = 3 A × 20 s = 60 C.

  12. 12. A steady current of 5 A flows through a lamp for 52 s. Calculate the total electric charge transferred using Q = It.

    260 C

    Charge Q = current × time = 5 A × 52 s = 260 C.

12 questions · Seed 49 · Age guidance, not curriculum certification