Calculating Current and Voltage in Series and Parallel Circuits

The video tutorial explains how to analyze a circuit to find the equivalent resistance, calculate the total current using Ohm's Law, and determine the current distribution in parallel resistors. It also covers an alternative method for current calculation and concludes with calculating power absorption by each resistor and verifying the conservation of energy.

What is the resistance value of the resistor connected at point C?

• 6 ohms

• 20 ohms

• 5 ohms

• 10 ohms

Which resistors are in parallel in the described circuit?

• None

• 20 ohm and 5 ohm

• 20 ohm and 6 ohm

• 5 ohm and 6 ohm

What is the total equivalent resistance of the circuit?

• 4 ohms

• 10 ohms

• 15 ohms

• 6 ohms

What is the total current flowing through the circuit?

• 2 amps

• 1 amp

• 4 amps

• 3 amps

How much current flows through the 20 ohm resistor?

• 0.8 amps

• 2 amps

• 1.6 amps

• 0.4 amps

What is the voltage across the 6 ohm resistor, known as R3?

• 6 volts

• 8 volts

• 10 volts

• 12 volts

How much power is absorbed by the 20 ohm resistor?

• 40 watts

• 24 watts

• 12.8 watts

• 3.2 watts

What is the power absorption by the 6 ohm resistor?

• 3.2 watts

• 24 watts

• 12.8 watts

• 40 watts

What is the total power delivered by the battery?

• 50 watts

• 40 watts

• 30 watts

• 20 watts

According to the law of conservation of energy, how does the power delivered by the battery compare to the total power absorbed by the resistors?

• Greater than the power absorbed

• Not related

• Equal to the power absorbed

• Less than the power absorbed