Re: Battery power

[Ludwik Kowalski <kowalskil@MAIL.MONTCLAIR.EDU>]

My guess is that 10 ohms is a too big load for a tiny battery.
For a larger R the current is likely to become more steady.

On Tuesday, Apr 1, 2003, at 10:41 US/Eastern, Tony Wayne wrote:

> I'm helping one on of my students measure the power output of a
> battery. We
> load the battery with a 10 ohm resistor across its terminals and
> measure the
> current through the resistor and the voltage across the resistor. This
> works
> fine for the AA, AAA, C, and D size batteries. But the button cell
> batteries, for watches, give a decaying current. Any ideas as to how I
> can
> alter my measurement method to get a steady current from the button
> cell
> batteries?