AP Physics 2: Circuit Configurations and Kirchhoff's Laws

Front

What is the formula for calculating total resistance in a series circuit?

Back

The total resistance (R_total) in a series circuit is the sum of all individual resistances: R_total = R1 + R2 + R3 + ...

Front

What is the formula for calculating total resistance in a parallel circuit?

Back

The total resistance (R_total) in a parallel circuit is given by: 1/R_total = 1/R1 + 1/R2 + 1/R3 + ...

Front

What is Kirchhoff's Voltage Law (KVL)?

Back

Kirchhoff's Voltage Law states that the sum of the electrical potential differences (voltage) around any closed network is zero.

Front

What is Kirchhoff's Current Law (KCL)?

Back

Kirchhoff's Current Law states that the total current entering a junction must equal the total current leaving the junction.

Front

In a parallel circuit, what remains constant across all components?

Back

Voltage remains constant across all components in a parallel circuit.

Front

How do you calculate the equivalent resistance of three resistors in parallel: 2 Ω, 3 Ω, and 6 Ω?

Back

The equivalent resistance (R_eq) can be calculated using the formula: 1/R_eq = 1/2 + 1/3 + 1/6, which results in R_eq = 1 Ω.

Front

What is the relationship between current, voltage, and resistance in a circuit?

Back

Ohm's Law states that V = I * R, where V is voltage, I is current, and R is resistance.

Front

If the current through a resistor is doubled, what happens to the voltage across it?

Back

According to Ohm's Law, if the current is doubled and resistance remains constant, the voltage across the resistor also doubles.

Front

What is the total resistance of two resistors in series, one of 4 Ω and another of 6 Ω?

Back

The total resistance in series is R_total = R1 + R2 = 4 Ω + 6 Ω = 10 Ω.

Front

What happens to the total resistance when resistors are added in series?

Back

The total resistance increases when resistors are added in series.