intermediate player PLEASE HELP

This page lists questions and answers that were posted by visitors named intermediate player PLEASE HELP.

Questions

The following questions were asked by visitors named intermediate player PLEASE HELP.

A resistor of resistance R is connected to a power supply of constant EMF E=12 V and internal resistance r=3 Ω . The energy dissipated in the resistor R is used to heat water. What resistance R in Ohms gives the maximum power dissipated in the resistor?

JOhn had prepared the problem sets for Levels 1 to 5 of Geometry and Combinatorics for next month but forgot to label which set was for which level. Since Calvin didn't label them, the computer assigned them labels 1 through 5 randomly, with each label ap...

Answers

The following answers were posted by visitors named intermediate player PLEASE HELP.

10^20 ??not 1020 20*9=180

Details and assumptions The computer randomly assigns each problem set to a level, and each level has exactly 1 problem set that is assigned. For example, the computer could assign the Level 1 problem set to Level 5 students, the Level 2 problem set to Le...