The primary and secondary coils of a tra...

The primary and secondary coils of a transforme have ``50 and 1500 turns respectively. If the magnetic flus `phi`linked with the primary coil is given by `phi=phi_(0)+4t,` where `phi` is in weber, t is time in second and `phi_(0)` is a constant, the output voltage aross the secondary coil is

190 V

10V

20V

90V

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