Physics Series Circuit Questions

Base your answers to questions 1 through 4 on the information below and on your knowledge of physics. A student constructed a series circuit consisting of a 12.0-volt battery, a 10.0-ohm lamp, and a resistor. The circuit does not contain a voltmeter or an ammeter. When the circuit is operating, the total current through the circuit is 0.50 ampere. What is the total resistance of the circuit?

• 10.0 ohms

• 14.0 ohms

• 24.0 ohms

• 4.0 ohms

Base your answers to questions 1 through 4 on the information below and on your knowledge of physics. A student constructed a series circuit consisting of a 12.0-volt battery, a 10.0-ohm lamp, and a resistor. The circuit does not contain a voltmeter or an ammeter. When the circuit is operating, the total current through the circuit is 0.50 ampere. Calculate the power consumed by the lamp. [Show all work, including the equation and substitution with the units.]

• 2.5 watts

• 3.0 watts

• 3.5 watts

• 4.0 watts

Determine the equivalent resistance of the circuit.

• 10 Ohms

• 20 Ohms

• 30 Ohms

• 40 Ohms

Base your answers to questions 1 through 4 on the information below and on your knowledge of physics. A student constructed a series circuit consisting of a 12.0-volt battery, a 10.0-ohm lamp, and a resistor. The circuit does not contain a voltmeter or an ammeter. When the circuit is operating, the total current through the circuit is 0.50 ampere. What is the resistance of the resistor?

• 10.0 ohms

• 14.0 ohms

• 24.0 ohms

• 4.0 ohms

If another resistor were added in parallel to the original circuit, what effect would this have on the current through resistor R1?

• The current through R1 would increase.

• The current through R1 would decrease.

• The current through R1 would remain the same.

• The current through R1 would become zero.

Base your answers to questions 5 through 8 on the diagram and information below and on your knowledge of physics. A 15-ohm resistor, 30-ohm resistor, and an ammeter are connected as shown with a 60-volt battery. Calculate the rate at which the battery supplies energy to the circuit. [Show all work, including the equation and substitution with units.]

• 60 W

• 120 W

• 180 W

• 240 W

Tags

NGSS.HS-PS3-1

Determine the current measured by the ammeter.

• The current measured by the ammeter is calculated using Ohm's law and the total resistance in the circuit.

• The current is the same as the voltage across the ammeter.

• The current is determined by the power source only.

• The current is always zero in an ideal ammeter.

Base your answers to questions 5 through 8 on the diagram and information below and on your knowledge of physics. A 15-ohm resistor, 30-ohm resistor, and an ammeter are connected as shown with a 60-volt battery. What is the equivalent resistance R1 and R2?

• 45 ohms

• 15 ohms

• 30 ohms

• 60 ohms

What is the equivalent resistance of the circuit?

• 50 Ω

• 12 Ω

• 10.2 Ω

• 25 Ω

What is the current reading of the ammeter?

• 1.0 A

• 0.60 A

• 0.40 A

• 0.20 A