Physics_B_062525

A 200-W light bulb is connected across a 100-V dc power supply. What current will flow through this bulb?

• 0.90 A

• 0.36 A

• 0.60 A

• 2.0 A

• 4 Amps

• 2 Amps

• 6 Amps

• 12 Amps

The circuit shown above has a variable resistor connected to a 6.0 V battery. What amount of current flows through the battery when the variable resistor is set for 4 ohms?

• 1.5 A

• 1.0 A

• 0.75 A

• 0.50 A

The circuit diagram below shows three resistors, an ammeter, and a battery. How much current flows through the ammeter?

• 1.0 A

• 6.0 A

• 13.0 A

• 24.0 A

If the battery produced 120 Volts and what would be the current flow be for a 10 Ohm resistor?

• 12 Amps

• 1200 Amps

• 10 Amps

• 120 Amps

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

• 5V
• 0.2V
• 20V
• 200V

What voltage is needed to cause a 2 A current flow through a 10 Ω resistor?

• 5V
• 0.2V
• 20V
• 200V

If a 9 V battery is connected to a resistor of 3 Ω, what is the current flowing through the circuit?

• 9.0 A

• 6.0 A

• 3.0 A

• 1.5 A

What is the resistance of a device that draws 0.5 A of current when connected to a 120 V power supply?

• 120 Ω

• 240 Ω

• 60 Ω

• 0.24 Ω

A circuit contains two resistors, 5 Ω and 15 Ω, connected in series to a 40 V battery. What is the total current in the circuit?

• 2.0 A

• 4.0 A

• 1.5 A

• 0.5 A