ElectroMagnetic InductionHard
Question
In a step up transformer the ratio of turns of the primary and the secondary is 1:25. If the input voltage is 230 V and the current through the load is 2A, then the current in the primary is: -
Options
A.50 A
B.25 A
C.12.5 A
D.6.25 A
More ElectroMagnetic Induction Questions
Which one of the following is ferro-magnetic :-...The magnetic field in a coil of 100 turns and 40 cm2 an area is increased from 1 tesla to 6 tesla in 2 second. The magne...A magnet is made to oscillate with a particular frequency, passing through a coil as shown in figure, The time varition ...On passing 2 amp. current in a coil of 50 mH. The energy stored in it is:-...A and B are two metallic rings placed at opposite sides of an infinitely long straight conducting wire as shown. If curr...