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G6KUI > TECH 16.10.06 16:50l 29 Lines 666 Bytes #999 (0) @ WW
BID : 11217_G6KUI
Read: DL1LCA GUEST OE7FMI
Subj: Re: agn physics problem
Path: DB0FHN<DB0RGB<DB0MRW<OK0PPL<OK0PHL<OK0PCC<SR6BBA<SR1BSZ<TU5EX<ZS0MEE<
GB7FCR<GB7MAX<GB7DBY<GB7DBY
Sent: 061016/1513z @:GB7DBY.#23.GBR.EU NPF2.54c [G6KUI PMS Alvaston Derby]
Helmut DK2ZA asked.....
}
} Each single resistor can absorb at most 5 Watts and the question is
} how they have to be interconnected so that - given the appropriate
} voltage - the power they absorb together is at a maximum without
} any one of them absorbing more than 5 Watts.
}
} Hint:
}
} Simply paralleling the resistors or connecting them in series is
} not the solution!
}
Although it is probably wrong ,
My answer is 11 Watts.
R2 and R3 are paralleled together and put in series with R1.
R1 disipates 5W , and R2+R3 disipate 6W between them.
The applied voltage needed is just over 15.5 volts.
73, Pete G6KUI
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