problem26_76

problem26_76 - V I V V IR VR R V R V R I--= = + = Now the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
26.76: a) . A I V A R R IR IR V - = + = The true resistance R is always less than the reading because in the circuit the ammeter’s resistance causes the current to be less then it should. Thus the smaller current requires the resistance R to be calculated larger than it should be. b) . V V V V R
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: V I V V IR VR R V R V R I--= = + = Now the current measured is greater than that through the resistor, so R I V R = is always greater than . I V c) (a): . ) ( 2 2 2 A A R I IV R I V I R I P-=-= = (b): . ) ( 2 2 V V R V IV R V I V R V P-=-= =...
View Full Document

Ask a homework question - tutors are online