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.


Statistics:

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