Solving predictable problems

Instructions:

For the 20 questions:

  • calculate the unknown value
  • specify the appropriate unit
  • write down your answer.

Note:

  • You can print this document and write you answers onto it.

Question 1

Calculate total resistance when the supply voltage is 9V and the current flow is 1.5A

Question 2

Calculate total power dissipated when the supply voltage is 9V and the current flow is 1.5A

Question 3

Calculate total power dissipated when the supply voltage is 20V and the current flow is 0.4A

Question 4

Calculate total resistance when the supply voltage is 18V and the current flow is 0.05A

Question 5

Calculate total resistance when the total resistance is 9 ohms and the current flow is 1A

Question 6

Calculate total power dissipated when the total resistance is 9 ohms and the current flow is 1A

Question 7

Calculate total voltage when the total resistance is 415 ohms and the current flow is 0.2A

Question 8

Calculate total power dissipated when the total resistance is 415 ohms and the current flow is 0.2A

Question 9

Calculate total voltage when the total resistance is 654 ohms and the current flow is 0.045A

Question 10

Calculate total current flow when the total resistance is 4 ohms and the total voltage is 12V

Question 11

Calculate total power dissipated when the total resistance is 4 ohms and the total voltage is 12V

Question 12

Calculate total current flow when the total resistance is 0.2 ohms and the total voltage is 15V

Question 13

Calculate total power dissipated when the total resistance is 0.2 ohms and the total voltage is 15V

Question 14

Calculate total current flow when the total resistance is 400 ohms and the total voltage is 100V

Question 15

Calculate total resistance when R1 is 20 ohms, R2 is 10 ohms  and R3 is 5 ohms

Question 16

Calculate the resistance of R1 when R2 is 10 ohms, R3 is 15 ohms and total resistance is 40 ohms

Question 17

Calculate total voltage when voltage across R1 is 3V, R2 is 5.5V and R3 is 0.5V

Question 18

Calculate voltage drop across R1 when voltage across R2 is 5V, R3 is 3.3V and total voltage is 10V

Question 19

Calculate the resistance of R1 when voltage across R1 is 3V and R2 is 2V. Resistance of R3 is 10 ohms and the total current flow is 0.1A

Question 20

Calculate the resistance of R2 when voltage across R1 is 3V and R2 is 2V. Resistance of R3 is 10 ohms and the total current flow is 0.1A

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