The approximate values of resistances R1 and R2 are:
a) R1 = 0.03 Ohm and R2 = 0.06 Ohm
b) R1 = 0.06 Ohm and R2 = 0.03 Ohm
c) R1 = 16 Ohm and R2 = 33 Ohm
d) R1 = 33 Ohm and R2 = 16 Ohm
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Answer:
Correct option is
A
Less than either R
1
or R
2
Net Resistance R
net
=
R
1
1
+
R
2
1
1
=
R
1
+R
2
R
1
R
2
which is less than R
1
and R
2
. As
R
1
−R
net
=R
1
−
R
1
+R
2
R
1
R
2
=
R
1
+R
2
R
1
2
>0⇒R
1
−R
net
>0⇒R
1
>R
net
R
2
−R
net
=R
2
−
R
1
+R
2
R
1
R
2
=
R
1
+R
2
R
2
2
>0⇒R
2
−R
net
>0⇒R
2
>R
net
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