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The equivalent resistance of the figure , infinite network of resistors between the terminals  and  is

a)

Zero

b)

Infinite

c)

d)


Question ID - 151358 :-

The equivalent resistance of the figure , infinite network of resistors between the terminals  and  is

a)

Zero

b)

Infinite

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

Let  be the equivalent resistance. Then addition/ subtraction of one more seat of  resistors and will not affect the total resistance. Thus,

(parallel combination of  and )

As  cannot be negative, hence



Next Question :

If  and  are respectively the filament resistances of a  bulb and  bulb designed to operate on the same voltage, then

a)

 is two times

b)

 is two times

c)

 is four times

d)

 is four times


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