Physics_B_062725

In a parallel circuit with resistors of 10 Ω and 20 Ω connected to a 30 V supply, what is the total current drawn from the power supply?

• 2.0 A

• 3.0 A

• 4.5 A

• 1.5 A

Which formula correctly calculates the total power dissipated in a parallel circuit if you know the voltage and the total resistance?

• P = V / R_total

• P = V * R_total

• P = V^2 / R_total

• P = I^2 / R_total

In a series circuit with resistors of 5 Ω, 10 Ω, and 15 Ω connected to a 60 V supply, what is the voltage drop across the 10 Ω resistor?

• 30 V

• 10 V

• 20 V

• 15 V

In a parallel circuit with three resistors of 5 Ω, 10 Ω, and 20 Ω connected to a 60 V supply, what is the total current drawn from the power supply?

• 9.0 A

• 6.0 A

• 12.0 A

• 15.0 A

Which of the following statements is true about the voltage across each resistor in a parallel circuit?

• The voltage is different across each resistor.

• The voltage is the same across each resistor.

• The voltage depends on the resistance value.

• The voltage is zero across each resistor.

In a series circuit with resistors of 2 Ω, 4 Ω, and 8 Ω connected to a 28 V supply, what is the current flowing through the circuit?

• 1 A

• 4 A

• 2 A

• 3 A

In a parallel circuit with three resistors of 3 Ω, 6 Ω, and 9 Ω connected to a 36 V supply, what is the total current drawn from the power supply?

• 12.0 A

• 8.0 A

• 10.0 A

• 6.0 A

Which of the following statements is true about the current through each resistor in a series circuit?

• The current is zero through each resistor.

• The current is the same through each resistor.

• The current depends on the resistance value.

• The current is different through each resistor.

In a series circuit with resistors of 7 Ω, 14 Ω, and 21 Ω connected to a 42 V supply, what is the voltage drop across the 14 Ω resistor?

• 21 V

• 28 V

• 14 V

• 7 V

In a parallel circuit with resistors of 8 Ω and 16 Ω connected to a 32 V supply, what is the total current drawn from the power supply?

• 8.0 A

• 6.0 A

• 4.0 A

• 2.0 A