Nice and easy
Warming up
Super stretch
100

Calculate the resistance (Ω) through a circuit if the voltage is 12 V and the current is 6 A .

12 ÷ 6 = 3Ω

100

Calculate the current (A) through a circuit if the voltage is 20 V and the resistance is 10 Ω .

20 ÷ 10 = 2A

100

Calculate the current (A) through a circuit if the resistance is 10 Ω and voltage is 12 V.

12 ÷ 10 = 1.2 A

200

Calculate the resistance (Ω) through a circuit if the voltage is 44 V and the current is 4 A .

44 ÷ 4 = 11Ω

200

Calculate the current (A) through a circuit if the voltage is 6 V and the resistance is 2 Ω .

6 ÷ 2 = 3A

200

Calculate the voltage (V) through a circuit if the current is 6 A and resistance is 0.5𝛀

6 x 0.5 =3 V

300

Calculate the resistance (Ω) through a circuit if the voltage is 230 V and the current is 10 A .

230 ÷ 10 = 23Ω

300

Calculate the current (A) through a circuit if the voltage is 230 V and the resistance is 5 Ω .

230 ÷ 5 = 46 A

300

Calculate the voltage (V) through a circuit if the current is 0.1 A and resistance is 10𝛀

10 x 0.1 =1 V

400

Calculate the resistance (Ω) through a circuit if the current is 7 A and the voltage is 35 V.

35 ÷ 7 = 5Ω

400

Calculate the current (A) through a circuit if the voltage is 230 V and the resistance is 46 Ω .

230 ÷ 46 = 5 A

400

Calculate the resistance (Ω) in a circuit if the current is 0.2 A and the voltage is 9 V.

9 ÷ 0.2 = 45 Ω

500

Calculate the resistance (Ω) through a circuit if the current is 14 A and the voltage is 168 V.

168 ÷ 14 = 12Ω

500

When voltage is 40V and the resistance is 5𝛀, current is 8 A. What would the current be if the resistance was doubled? Explain your answer.

4 A. 


40 ÷ 10 = 4 A

OR Resistance doubles so current halves.

500

Calculate the current (A) through a circuit if the voltage is 0 V and resistance is 10𝛀

0 ÷ 10 =0 A