Ohms law calculations

Which of the following is the correct SI unit for voltage?

• Ohm

• Volt

• Amp

• Watt

Which of the following is the correct SI unit for current?

• Ohm

• Volt

• Amp

• Watt

Which of the following is the correct SI unit for resistance?

• Ohm

• Volt

• Amp

• Watt

Which of the options shown is the correct formula for calculating electrical pressure (Volts)?

• Voltage divided by Current

• Voltage multiplied by Resistance

• Current divided by Resistance

• Current multiplied by Resistance

Which of the options shown is the correct formula for calculating current (amps)?

• Voltage divided by Resistance

• Voltage multiplied by Resistance

• Current divided by Resistance

• Resistance multiplied by Voltage

Which of the options shown is the correct formula for calculating electrical resistance (Ohms)?

• Voltage divided by Current

• Voltage multiplied by Resistance

• Current divided by Resistance

• Current multiplied by Resistance

Which of the following formulas is correct?

• V = I x R

• V = I/R

• V = I + R

• V = I - R

Which of the following formulas is correct?

• I = V/R

• I = V x R

• I = V + R

• I = V - R

Which of the following formulas is correct?

• R = V/I

• R = V + I

• R = V x I

• R = V - I

Using the magic triangle shown calculate the voltage in the circuit when the current = 4 amps and the resistance = 3 ohms

• 12 volts

• 7 volts

• 24 volts

• 48 volts