Mathematical and Physical Journal
for High Schools
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Problem P. 4045. (February 2008)

P. 4045. Two resistors of resistances 600 ohms and 400 ohms are connected in series and they are connected to a 90 V voltage supply. The voltmeter connected across the 600 ohm resistor reads 45 V. What is the resistance of the voltmeter?

(4 pont)

Deadline expired on March 11, 2008.


202 students sent a solution.
4 points:180 students.
3 points:19 students.
Unfair, not evaluated:3 solutions.

Problems in Physics of KöMaL, February 2008