Judge the equivalent resistance when the following are connected in
parallel - (a) 1 ohm and 10⁶ ohm. (b) 1 ohm and 10³ohm and 10⁶ ohm.
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Answer:
Explanation:
Since 1Ω and 106 Ω are connected in parallel
then the equivalent resistance R will be
R
1
=
1
1
+
10
6
1
R=
10
6
+1
10
6
~
10
6
10
6
R=1Ω
Equivalent resistance is 1Ω
(b) 1Ω and 103Ω and 160Ω are in parallel
R
1
=
1
1
+
10
3
1
+
10
6
1
R
1
=
10
6
10
6
+10
3
+1
R
1
=
1000000
1001001
R=0.999Ω
Therefore, equivalent resistance =0.999Ω
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