There are four electromagnets as shown in the figure.
Which one of following options is correct regarding strength of electromagnets?
AI = II < III < IV
BI > II > III = IV
CI < II < III = IV
DNone of these
There are four electromagnets as shown in the figure.
Which one of following options is correct regarding strength of electromagnets?
AI = II < III < IV
BI > II > III = IV
CI < II < III = IV
DNone of these