Basic Electrical Units Quiz

unit of current is ____

• ampere

• voltage

• ohm

• second

Unit of voltage is ____

• ampere

• volt

• ohm

• second

Unit of resistance is ____

• ampere

• voltage

• ohm

• second

unit of conductance is ___

• ampere

• voltage

• ohm

• siemens

Unit of capacitance

• farad

• henry

• ohm

• second

unit of inductance _____

• farad

• henry

• ohm

• second

Ohm’s Law states:

• 𝑉=𝐼+𝑅

• V=I*R

• V=I/R

• V=I-R

Emf stands for

• electro motive force

• electro magnetic force

• electric magnetic force

• none of the above

If the voltage across a resistor is 12 V and the current is 2 A, the resistance is

• 6 Ω

• 24 Ω

• 10 Ω

• 2 Ω

Which of the following is true according to Ohm’s Law?

• Current is inversely proportional to voltage at constant resistance

• Voltage is directly proportional to current at constant resistance

• Resistance increases with increasing current

• Voltage is independent of current