Understanding Parallel Circuits and Current Calculation

What assumption is made about the internal resistance in the parallel circuit discussed?

• It is very high.

• It varies with time.

• It is negligible.

• It is equal to the EMF.

How is the current through a resistor in a parallel circuit calculated?

• By dividing the EMF by the total resistance.

• By adding the EMF to the resistance.

• By multiplying the EMF by the resistance.

• By dividing the EMF by the resistance of that resistor.

What is the total current in a parallel circuit with a potential difference of 3V and a total resistance of 2 ohms?

• 1.5 A

• 3 A

• 2 A

• 0.5 A

How does the current split at a junction in a parallel circuit?

• It splits based on resistance.

• It splits equally among paths.

• It remains the same.

• It doubles.

In the example with multiple resistors, what is the effective resistance of the circuit?

• 2 ohms

• 6 ohms

• 1 ohm

• 3 ohms

What is the current through each resistor if the potential difference is 6V and each resistor has a resistance of 6 ohms?

• 0.5 A

• 3 A

• 2 A

• 1 A

What is the total current if two 1 A currents join at a junction?

• 1 A

• 2 A

• 3 A

• 4 A

What is the potential difference across each resistor in a parallel circuit?

• It is different for each resistor.

• It is zero.

• It is equal to the EMF.

• It is half of the EMF.

Which method can be used to verify the total current in a parallel circuit?

• By measuring the voltage.

• By calculating the power.

• By measuring the resistance.

• By adding the currents through each resistor.

What is the importance of understanding potential difference and resistance in parallel circuits?

• To accurately calculate current.

• To measure voltage drop.

• To calculate power.

• To determine the circuit's efficiency.