exercise 8c numerical 18

Asked by nilesh.dhote74 | 13th May, 2020, 01:19: PM

Expert Answer:

P o w e r equals V squared over R
H e a t space g a i n e d space equals V squared over R cross times t
T h e r e f o r e
V subscript 1 squared over R cross times t subscript 1 equals V subscript 2 squared over R cross times t subscript 2
O n space s u b s t i t u t i n g space v a l u e s space
t subscript 2 equals 220 squared over 200 squared cross times 5
t subscript 2 equals 6.05 m i n
i. e space 6 m i n space 3 space s e c

Answered by Utkarsh Lokhande | 13th May, 2020, 01:44: PM

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