Question

Two resistors 15

and B

are connected in parallel. This combination isconnected in series to a 5

resistor and a battery of e. m. f. 5 volt. If thecurrent through B ohm resistor is 1

3 A, find the value of B.

Answer 1

for B...

current = 3 A

r = B ohm

p.d = 5 V

we know ..

V=I × R ....(by ohm's law)

V/ I = R

R = 5 / 3

R = 1.66 ohm

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