Electrical Theorems and Conversion

What is the total resistance of the circuit in the figure?

• 15.32 ohms
• 24.17 ohms
• 70.41 ohms
• 120.12 ohms

How many amps of current would flow through the circuit in the figure?

• 2
• 3.24
• 4.14
• 5.21

What is the total resistance of the three resistors in parallel with values of 2 ohms, 8 ohms, and 14 ohms?

• 1.44 ohms
• 2.24 ohms
• 2.32 ohms
• 2.65 ohms

What is the resistance of a light bulb that uses 15 watts of power when placed across a 15-volt battery?

• 1.5 ohms
• 15 ohms
• 50 ohms
• 150 ohms

What is the total resistance of three resistors in parallel with values of 4 ohms, 10 ohms, and 25 ohms?

• 1.50 ohms
• 2.25 ohms
• 2.56 ohms
• 3.43 ohms

If R3 was removed from the circuit in the figure, how many amps of current would flow through the circuit?

• 4
• 5
• 12
• 15

What is the total resistance of the circuit in the figure?

• 19 ohms
• 29 ohms
• 30 ohms
• 50 ohms

If a circuit with a source of 200 volts is connected across four parallel 50-ohm resistors, the current through each resistor is?

• 1 amps
• 2 amps
• 3 amps
• 4 amps

According to Kirchhoff's current law, the current in a parallel circuit is equal to?

• the sum of the currents in each branch
• zero
• the total voltage drop
• the applied voltage

The statement that total current entering a point must equal total current leaving that point best describes?

• Ohm's law
• Coulomb's total current law
• The Theroy of Relativity
• Kirchhoff's current law