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4th May 2019: Daily MCQs on Current Affairs for government exams (UPSC CSE/IAS exam)
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Roman Saini is teaching live on Unacademy Plus

Roman Saini
Part of a great founding team at Unacademy with Gaurav, Hemesh. Movies, Guitar, Books, Teaching.

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(44)
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Unacademy user
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how to find copper saving of step up autotrans
Anvesh Sameer
2 years ago
Saving in copper = k%. (k means transformation ratio)for step down transformer : k=LV/HV. For step up transformer K=HV/LV.
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Priyanka
2 years ago
thank u sir
in question not 8 ans will.be neither 1 nor 2 Bcz it,s bacteria not fungus
Bharath kumar
7 months ago
0/10--- bro can u plz suggest me frm where u r covering dese topics.,..aprt frm hindu
Kishan Sharma
7 months ago
I follow insights..
Bharath kumar
7 months ago
thnx for ur reply bro...only insights ? or any other source.
Kishan Sharma
7 months ago
only insights
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