Question

How would you connect three resistors i.e. of each 4 ohm to get an eq. resistance 6 ohm.
​

Answer 1

Answer:

Resistivity of pure metal is more than alloys.Resistivity of metal is more thanLet A’CB be the tree before it broken at the point C and let the top A

′

touches the ground at A after it broke. Then ΔABC is a right angled triangle, at B.

AB=12 m and BC=5 m

Using Pythagoras theorem,

In ΔABC

(AC)

2

=(AB)

2

+(BC)

2

(AC)

2

=(12)

2

+(5)

2

(AC)

2

=144+25

(AC)

2

=169

AC=

169

AC=13 m

Hence, the total height of the tree(A

′

B) =A

′

C+CB=13+5=18m.

Answer 2

Answer:

That is, for the two resistors in parallel the resistance is given as 41+41=0. 51=2ohms and this is added with the resistance of the third resistor in series as 2+4=6 ohms.

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