Ohm's law

Multiple Choice

Fill in the blank:

Ohm’s law explains the relationship between ……………. in a circuit.

• Voltage ,Current and Power

• Voltage ,Current and Resistance

• Voltage and Current

• Only Voltage

Multiple Choice

How can Ohm's law be written?

• R=I/V

• V=I×R

• V=I/R

Multiple Choice

What is the importance of Ohm's law?

• To design electronic devices and describe electric circuits.

• To calculate the resistor value.

Multiple Choice

What is the definition of "Resistance"?

• the pressure from an electrical circuit's power source that pushes current through a conducting loop.

• the opposition that a substance offers to the flow of electric current.

• The stream of charged particles.

Draw

Draw the Resistance's schematic symbol:

Draw

How much voltage is required to produce 3A through a resistance of 120Ω ?