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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 points)

Statistics on problem P. 4045.
 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

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