Please explain the following 18th question with reason - Physics - Current Electricity

Question

Please explain the following 18th question with reason

Debalina Deb · Accepted Answer

Dear student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_6171b040da583%20jpg"
style="width: 1023px; height: 982px;">
Regards

Please explain the following 18th question with reason.