Electricity equations

If it takes 20s for 50C of charge passing through a light bulb, what is the current?If it takes 20s for 50C of charge passing through a light bulb, what is the current?

If it takes 20s for 50C of charge passing through a light bulb, what is the current?

350C of charge flows through an iron in 70s. What is the current flowing through the iron?

A current of 1.5A flows through an electric toothbrush for 90s. How much charge has flowed through the toothbrush?

A battery supplies 5000J for every 250C. Calculate the potential difference across the battery.

A battery supplies 300J for every 60C. Calculate the potential difference across the battery.

Calculate the potential difference across a battery that transfers 64J of energy for every 16C of charge.

Every 150 C of charge, 6V are transferred. Calculate the energy delivered.

What is the potential difference of a circuit that has a current of 6A and a resistance of 4Ω?

A resistance of 60Ω has a current of 1A through it when it is connected to the terminals of a battery. What is the voltage of the battery?