Understanding Basic Circuit Concepts

A circuit consists of a 12 V battery and three resistors with resistances of 2 Ω, 3 Ω, and 5 Ω connected in series. What is the total current flowing through the circuit?

• 0.5 A

• 1 A

• 2 A

• 3 A

In a parallel circuit, there are three resistors with resistances of 4 Ω, 6 Ω, and 12 Ω. Calculate the total resistance of the circuit.

• 2 Ω

• 3 Ω

• 4 Ω

• 5 Ω

A 60 W light bulb is connected to a 120 V power source. What is the current flowing through the bulb?

• 0.25 A

• 0.5 A

• 1 A

• 2 A

A circuit has a total resistance of 10 Ω and a current of 2 A. What is the voltage across the circuit?

• 5 V

• 10 V

• 20 V

• 40 V

In a series circuit with a 9 V battery, there are two resistors of 3 Ω and 6 Ω. What is the voltage drop across the 6 Ω resistor?

• 3 V

• 4.5 V

• 6 V

• 9 V

A circuit consists of a 24 V battery and two resistors of 4 Ω and 8 Ω connected in parallel. What is the total current supplied by the battery?

• 2 A

• 3 A

• 4 A

• 6 A

A 100 W appliance is connected to a 200 V power source. Calculate the resistance of the appliance.

• 100 Ω

• 200 Ω

• 400 Ω

• 800 Ω

In a parallel circuit, a 10 Ω resistor and a 20 Ω resistor are connected to a 30 V battery. What is the power dissipated by the 10 Ω resistor?

• 30 W

• 60 W

• 90 W

• 120 W

A circuit has a 15 V battery and three resistors of 5 Ω each connected in series. What is the power consumed by the circuit?

• 5 W

• 10 W

• 15 W

• 20 W

A 50 W device operates on a 10 V power supply. What is the current flowing through the device?

• 2 A

• 4 A

• 5 A

• 10 A