E103: revision 7

On a series circuit, the voltage is 230V and the current is 15A. If the voltage drops to 115V, what will the current be?

• 30V

• 15V

• 7.5V

• 0V

On a parallel circuit, the It is 10A and the resistance is 50Ω. What will the current be if the resistance jumps to 100Ω?

• 5A

• 10A

• 15A

• 20A

On a series circuit, the resistance is 50Ω and the current is 10A. What will the voltage be if the current increases to 20A?

• 250V

• 500V

• 750V

• 1000V

On a parallel circuit, the current is 20A and the resistance is 10Ω. What will the current be if the resistance drops to 2Ω?

• 4A

• 8A

• 100A

• 200A

What does 10MΩ mean?

• ten megaohms

• ten milliohms

• ten microohms

• ten metaohms

Imagine that you had a series circuit with a voltage of 10MV and a resistance of 10Ω. What would the current be?

• 100A

• 1,000A

• 10,000A

• 1,000,000A

You have a parallel circuit with resistance of 10mΩ and a voltage of 10V. What would the current be?

• 10³A

• 10^-3A

• 1A

• 10A

You have a series circuit with a voltage of 100V and a current of 10mA. What is the resistance?

• 1,000Ω

• 10,000Ω

• 100,000Ω

• 1,000,000Ω