Problem: A long, uniform conducting wire with resistance R is connected to the terminals of a battery with emf V, dissipating a power P. If the cross-sectional area of the wire is halved, what is the new total power dissipated?A. 2PB. ¼ PC. 4PD. ½ PE. P

🤓 Based on our data, we think this question is relevant for Professor Costantino's class at PSU.

FREE Expert Solution
Problem Details

A long, uniform conducting wire with resistance R is connected to the terminals of a battery with emf V, dissipating a power P. If the cross-sectional area of the wire is halved, what is the new total power dissipated?

A. 2P

B. ¼ P

C. 4P

D. ½ P

E. P

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Resistors and Ohm's Law concept. You can view video lessons to learn Resistors and Ohm's Law. Or if you need more Resistors and Ohm's Law practice, you can also practice Resistors and Ohm's Law practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 1 minute and 15 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Costantino's class at PSU.