Solving Electric Circuits

In a circuit with resistors in parallel, what remains the same across each resistor?

If two resistors of equal value are connected in parallel, how does the equivalent resistance relate to the individual resistance?

In a series circuit, how is the total resistance calculated?

What is the primary purpose of calculating equivalent resistance in a circuit?

When calculating the total resistance of a parallel and series combination, which part should be solved first?

What happens to the total current in a circuit when additional resistors are added in parallel?

How does the voltage drop across a resistor in a series circuit relate to its resistance value compared to other resistors in the series?

If a 10-ohm resistor and a 20-ohm resistor are connected in series to a 90V source, what is the current flowing through the 10-ohm resistor?

Resistors $R_1$ and $R_2$ are connected in parallel. If $R_1 = 6\Omega$ and the total resistance of the parallel combination is $3\Omega$, what is the value of $R_2$?

A circuit has a total resistance of $15\Omega$ and is powered by a 60V source. What is the total current flowing through the circuit?

In a series-parallel circuit, a parallel branch consists of two $8\Omega$ resistors. What is the equivalent resistance of this branch?

A series circuit has a $6\Omega$ resistor and a $7\Omega$ resistor. If the current through the $6\Omega$ resistor is 4A, what is the voltage drop across the $7\Omega$ resistor?

If the voltage across a parallel branch is 8V and one of the resistors in the branch is $4\Omega$, what is the current through that resistor?

The total current entering a parallel combination of two resistors is 4A. If the current through one resistor is 2A, what is the current through the other resistor?

Suppose you have two parallel resistors with $R_1 = 4\Omega$ and $R_2 = 4\Omega$ connected in series with $R_3 = 6\Omega$ and $R_4 = 7\Omega$. What is the voltage drop across the combination of $R_3$ and $R_4$ if the total current is 4A?

Two resistors, $R_1 = 4\Omega$ and $R_2 = 4\Omega$, are connected in parallel. What is the equivalent resistance of this parallel combination?

A circuit consists of a parallel combination of two resistors ($R_1$ and $R_2$) in series with two other resistors ($R_3$ and $R_4$). If the total voltage is 60V and the voltage across the parallel combination is 8V, what is the voltage across the series combination of $R_3$ and $R_4$?

If two resistors ($R_3$ and $R_4$) in series have a combined voltage drop of 52V and a current of 4A, what is their combined resistance?

Resistors $R_1$ and $R_2$ are in parallel, with $R_1 = 4\Omega$ and a voltage $U_{R1} = 8V$. What is the current through $R_1$?

In a circuit where a parallel branch ($R_1$ and $R_2$) is in series with resistors $R_3$ and $R_4$, if the total current is 4A, what is the current through the series combination of $R_3$ and $R_4$?