Wednesday

April 1, 2015

April 1, 2015

Posted by **christine** on Sunday, May 2, 2010 at 11:40pm.

- math -
**Reiny**, Monday, May 3, 2010 at 12:46amso IR = 14

so when I = 40

R = 14/40 = 7/20

d(I)/dt(R) + d(R)/dt(I) = 0

-9(7/20) + d(R)/dt (40) = 0

d(R)/dt = 63/20 /40

= 63/800 resistance units/s

**Answer this Question**

**Related Questions**

Math - Amperes (abbreviated amp) measure the strength of electric current. An ...

physics (thxs again) - Thank you for the help :) A certain sample carries a ...

math - In an electrical circuit, the current passing through a conductor varies ...

math - In an electrical circuit, the current passing through a conductor varies ...

math - In an electrical circuit, the current passing through a conductor varies ...

Calculus - The voltage,V, in an electrical unit is related to the current,I, and...

math - The current I in an electrical conductor varies inversely as the ...

College physics - Find the following currents. The current I_1 through the ...

beginning algebra - In an electrical circuit, the current passing through a ...

Physics - In an electrical circuit, the current passing through a conductor ...