Ohms Law Review

The current and voltage relationship is written in an equation as...

• V=I+R

• V=R-1

• V=R/I

• V=IR

When using the equation V=IR, which of the following is your unit measurement

• Amps

• Volts

• Watts

• Newtons

If a bulb of 60 W is connected across a source of 220 V, the current drawn by it is (include unit measure)

The potential difference across a 6Ω resistor is 12V. The current flowing in the resistor will be

• 4A

• 6A

• 2A

• 72A

In a conductor, if 6-coulomb charge flows for 2 seconds. The value of electric current will be...

• 2A

• 4V

• 3A

• 3V

What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?

• 30 ohms

• 270 ohms

• 93 ohms

• 87 omhs

What is the resistance in a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• 8 ohms

• 10.5 ohms

• 13.5 ohms

What is the current flow in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• 1.5 Volts

• 1.5 Amps

• 200 Volts

• 200 Amps

What formula is used to calculate current in a circuit?

• V=IR

• I=V/R

• I=V+R

What formula is used to calculate resistance in a circuit?

• R=V+I

• R=V(I)

• R=V/I