Ohm's Law test

1.      What law shows the mathematical relationship between voltage, current, and resistance of an electrical circuit?

• A.    Watt’s law

• B. Ohm's Law

• C. Kirchoff's Law

• D. Henry's Law

1.      A circuit that contains 100 Ω of resistance has a current of 2 A. What is the applied voltage?

1.      A circuit that contains 10,000 Ω of resistance has a current of 100 mA. What is the applied voltage?

A circuit has an applied voltage of 200 V that causes 50 mA current to flow. What is the circuit resistance

• 40 Ohms

• 4000 Ohms

• 400 Ohms

• 4Ohms

1.      An applied voltage of 50 V causes a current of 2 A to flow. What is the circuit resistance?

• 75 Ohm's

• 50 Ohm's

• 80 Ohm's

• 25 Ohm's

1.      A voltage of 500 V is applied to a circuit that contains 100 Ω of resistance. What is the current?

• 50 Amps

• 5 Amps

• 55 Amps

• 15 Amps

1.      If the applied voltage is 400 V and resistance is 20,000 Ω, what is the value of I?

• 2 Amps

• 0.02 Amps

• 0.2 Amps

• 20 Amps

1.      A meter indicates a current flow in a circuit of 0.5 A. The circuit resistance is 500 Ω. What is the value of E?

• 25 Volts

• 75 Volts

• 2.5 Volts

• 250 Volts

1.      What applied voltage will cause 500 mA of current to flow through 500 Ω of resistance?

• 75 Volts

• 250 Volts

• 25 Volts

• 250,000 Volts

1.      What applied voltage will cause 10 mA of current to flow through 1000 Ω of resistance?

• 10,000 Volts

• 1000 Volts

• 10 Volts

• 100 Volts