Kirchhoff's Laws

The current in the resistor X is 2.0 A and the current in the 6.0 Ω resistor is 0.5 A. Calculate the resistance of resistor Y

• 6.0 Ω

• 2.0 Ω

• 4.0 Ω

• 3.0 Ω

Two 10 Ω resistors are connected in parallel, their equivalent resistance is

• 5 Ω

• 10 Ω

• 15 Ω

• 0.5 Ω

Current through each resistor when they are connected in series is

• different

• same

• decreasing

• increasing

Current entering and leaving a point in a circuit should be

• equal

• decreasing

• increasing

• variable

Calculate the current at the point B

• 6 A

• 7 A

• 8 A

• 9 A

"The sum of all voltage drops in a series circuit equals the total applied voltage." This is know as what?

• Ohm's Law

• Kirchhoff's Voltage Law

• Kirchhoff's Current Law

• Bolen's Law

Three resistances 20 Ω, 30 Ω and 60 Ω are connected in parallel, their

combined resistance is given by

• 110 Ω

• 50 Ω

• 20Ω

• 10 Ω

"The total current in a parallel circuit equals the sum of the individual branch currents."

• Ohm's Law

• Kirchhoff's Voltage Law

• Kirchhoff's Current Law

• Bolen's Law

Two 10 Ω resistors are connected in series, their equivalent resistance is

• 5 Ω

• 10 Ω

• 15 Ω

• 20 Ω

Three resistances 2 Ω, 3 Ω and 6 Ω are connected in parallel, their

combined resistance is given by

• 11 Ω

• 5 Ω

• 2Ω

• 1 Ω