Please help me !!! n This is chapter electricity from class 10 CBSE
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Answer:
1)=Here,In this circuit, the equivalent resistance is 7ohms.
2)=Here, The equivalent resistance is 2ohms.
Explanation:
Here, As per our given question,
1)=At first, 1/2+1/2=1/R (Parallel combination)
After taking Lcm and solving it, we get,
=(1+1)/2=1/R
=2/2=1/R
=1/1=1/R
By doing reciprocal on both sides, we get,
=R=1ohms
Now, On another side,
=1+1+1+3 (Series combination)
=6ohms
Now, by adding both sides,
Total equivalent resistance=6+1
=7ohms
So, Here, The equivalent resistance is 7ohms.
2)=As given in this question,
=At first, 1/2+1/2=1/R (Parallel combination)
After taking Lcm and solving it, we get,
=(1+1)/2=1/R
=2/2=1/R
=1/R=1/1
By doing reciprocal on both sides,we get,
=R=1ohms
Now, As 1ohms is also given
=1+1 (Series Combination)
=2ohms
So, Here, In this Circuit the equivalent resistance =2ohms.
Thank you.