Electric Current, Potential Difference and Resistance

The unit of current is ____

• Ampere

• Ohm

• Volts

• Watts

The unit for potential difference is ____

• Ohms

• Volts

• Watts

• Amperes

The unit for resistance is _____

• Watts

• Ohms

• Amperes

• Volts

The formula for resistance is ____

• R = I/V

• R = 1/VI

• R = V/I

• R = VI

The symbol for electric current is ___

• I

• V

• R

• A

Potential difference is acquired from the movement of a charge from

• high to low energy

• low to high energy

• positive to negative

• none of the above

If V = 12 V and I = 6 A, R = ?

• 18 Ohms

• 72 Ohms

• 0.5 Ohms

• 2 Ohms

If I = 2 A and R = 8 Ohms, V = ?

• 4 V

• 16 V

• 0.25 V

• 10 V

If V = 10 V and R = 2 Ohms, I = ?

• 0.2 A

• 12 A

• 5 A

• 20 A

It refers to the amount of charge flowing in a conductor per unit time

• Potential Difference

• Electric Current

• Resistance

• Electric Power