AP Kirchhoff's Laws

Which statement is correct?

• The current in parallel resistors is always equal.

• The sum of the electric potential differences (or voltages) around a loop add to zero.

• The sum of the currents in a closed loop is zero.

• The sum of the voltages at a node is zero.

For the circuit shown, the resistances are R₁ > R₂ > R_3. What is true about the current through each resistor?

• I₁ = I₂ = I₃

• I₁ > I₂ > I₃

• I₁ > I₃ > I₂

• I₁ < I₃ < I₂

What is the current that passes through resistor R_1?

• 8 A

• 16 A

• 4 A

• 2 A

What is the magnitude of the electric potential difference across resistor R₃?

• 12 V

• 2 V

• 4 V

• 8 V

What is the magnitude of the potential difference across R₂?

• 2 V

• 3 V

• 6 V

• 9 V