Wednesday
April 16, 2014

Homework Help: Physics

Posted by Tiffany on Monday, March 4, 2013 at 5:11pm.

A battery with an emf of 7.9 V and internal resistance of 1.37 Ω is connected across a load resistor
R.If the current in the circuit is 0.88 A, what is the value of R?
Answer in units of Ω

What power is dissipated in the internal resistance of the battery?
Answer in units of W

How do you set this problem up?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - If the emf of a battery is 23 V and a current of 66 A is measured when...
Physics - A battery delivering a current of 55.0 A to a circuit has a terminal ...
physics - A new "D" battery has an emf of 1.5 V. When a wire of negligible ...
Physics - A battery has an internal resistance of 0.42. A number of identical ...
Phyics - A resistor has a resistance R, and a battery has an internal resistance...
Physics - A battery has an internal resistance of 0.017 and an emf of 9.00 V. ...
physics - A battery has an internal resistance of 0.016 and an emf of 9.00 V. ...
Physics EM - A battery with EMF 90.0 V has internal resistance R_b = 8.68 Omega...
Physics - Batteries are not perfect. Instead they have an "internal resistance, ...
repost physics E&M please - A battery with EMF 90.0 V has internal resistance ...

Search
Members