Posted by **kieran** on Wednesday, September 26, 2012 at 5:51pm.

By Kirchoffs voltage law the sum of the voltage in the circuit. Consider the circuit with variable resistor R.

5V 10ohms

R

A. find a relationship between I and R in the circuit using E=I R and kirchoffs voltage law.

B. the power to a resistor is given by I^2R watts write P as a function of R.

C. Find the setting of the variable resistor R so that it takes max power

## Answer This Question

## Related Questions

- physics - which one of the following statements concerning an ac circuit is true...
- physics. - resistors of 30 ohms and 60 ohms are connected in parallel and joined...
- physics - need help - Resistors of 30 ohms and 60 ohms are connected in parallel...
- physics - Please check my work here: Resistors of 30 ohms and 60 ohms are ...
- physics - An RLC circuit has voltage supplied to it at a frequency of 13.0 kHz ...
- physics - resistors of 30 ohms and 60 ohms are connected in parallel and joined...
- physics - resistors of 30 ohms and 60 ohms are connected in parallel and joined...
- Physics circuit help please! - Hi all. I posted earlier but I'm still stuck on ...
- Circuit and electronics - Here we analyze the time response of the circuit in ...
- physics - Derive the expressions for the equivalent resistence of two resistors ...

More Related Questions