A coli of 25-0 resistance is joined in parallel witha coll of R-0 resistance. This combination is then joined in series with a piece of apparatus 'A' and the whole circult connected to a 110-V d.c. power suppiy. What must be the value of R so that 'A' will dissipate 650 W with 15 A passing through it? Hint First sketch a well-labelled network fiting the above description. Solution: Insert you main steps and solution in the spaces provided below. ) The voltage across 'R' is (1) The current in R' is (Hi) The resistance of 'R'is

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A col of 25-0 resistance is joined in parallel with a coll of R-Q resistance. This combination is then joined in series with a piece of apparatus 'A and
the whole circuit connected to a 110-V d.c. power supply. What must be the value of R so that 'A' will dissipate 650 W with 15 A passing through it?
Hint First sketch a well-labelled network fiting the above description.
Solution:
Insert you main steps and solution in the spaces provided below.
) The voltage across 'R' is
(1) The current in R' is
(Hi) The resistance of 'Ris
Transcribed Image Text:A col of 25-0 resistance is joined in parallel with a coll of R-Q resistance. This combination is then joined in series with a piece of apparatus 'A and the whole circuit connected to a 110-V d.c. power supply. What must be the value of R so that 'A' will dissipate 650 W with 15 A passing through it? Hint First sketch a well-labelled network fiting the above description. Solution: Insert you main steps and solution in the spaces provided below. ) The voltage across 'R' is (1) The current in R' is (Hi) The resistance of 'Ris
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