Kirchhoff's Laws

Which of the following is correct?

• I₁ + I₂ = I₃ + I₄

• I₁ + I₃ = I₂ + I₄

• I₁ = I₂ + I₃ - I₄

• I₁ - I₂ = I₃ - I₄

What is the total current entering junction B?

• I₂

• I₃

• I₂ + I₃

• 1/(I₂ + I₃)

Kirchhoff's junction rule is a statement of...

• the law of conservation of momentum

• the law of conservation of charge

• the law of conservation of energy

• the law of Ohms

Kirchhoff's loop rule is a statement of...

• the law of conservation of momentum

• the law of conservation of charge

• the law of conservation of energy

• the law of Ohms

The current in the resistor X is 2 A and the current in the 6Ω resistor is 0.5A. Calculate the current in resistor Y.

• 0.5

• 2.5

• 1.5

• 3.5