A heater coil is cut into two parts of equal length and one of them is used in the leader. The ratio of the heat produced by this half coil to that by the original coil is

A heater coil is cut into two parts of equal length and one of them is used in the leader. The ratio of the heat procued by this half coil to that by the original coil is

The coil of a heater is cut into two cqual halves and only one of them is used in the heater. The ratio of the heat produced by this half of the coil to that produced by the original coil is

A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be

If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be

A heater coil working on mains produces 100 cal of heat in a certain time. Now, the heater coil is cut into three equal parts and one part is only used for heating. The quantity of heat produced (in calories) in the same time is

A coil carrying a current 'I' has radius 'r' and number of turns 'n' it is reqound so that radius of the new coil is (r )/(4) and it carries current I' The ratio of the magnetic moment of the new coil to that of the original coil is

Which element is used to make the coils used in water heaters?