Current - Voltage

A 120 volts, 2 Ampere electric lamp has a power of

_________________________________.

• 2 watts

• 1/2

• 60 watts

• 240 watts

Which of the following properties depend on the lenght?

• Resistance

• Resistivity

• Conductivity

• Current

Give the 2 quantities to produce current

• charge and time

• charge over time

• charge and temperature

• charge over temperature

The unit of Current is expressed in 1 Coulomb/second = ______________.

• Volts

• Watts

• Ampere

• Ohms

The unit for voltage is the volt (V) and 1 Volt = ___________

• 1 Joule / Coulomb

• 1 Joule -Coulumb