The primary and secondary coils of an ideal transformer have 100 and 4000 turns respectively. The magnetic flux linked with the primary coil is given by `phi=20t+20`.The output voltage across the secondary coil is (all quantities are in SI units)

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

The primary and secondary coils of a transmformer have 50 and 1500 turns respectively. If the magnetic flux 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 across the secondary coil is

The primary coil of an ideal transformer has 100 turns and the secondary coil has 600 turns. Then

Self inductance is of primary and secondary of an ideal transformer are L and 4L respectively. If current through the primary coil is i=I_0sinomegat then induced EMF across secondary coil due to current variation in the primary coil at t=pi/(3omega)s is

Primary winding and secondary winding of a transformer has 100 and 300 turns respectively . If its input power is 60 W then outut power of the transformer will be :

A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If a voltage of 200V is applied across the primary coil , then the voltage in the secondary coil is :

How is the e.m.f. across primary and secondary coils of a transformer related with the number of turns of coil in them?

A transformer has 50 turns in the primary and 100 in the secondary. If the primary is connected to a 220 V DC supply, what will be the voltage across the secondary?

A transformer has 50 turns in the primary and 100 in the secondary. If the primary is connected to a 220 V DC supply, what will be the voltage across the secondary?

The number of turns of primary and secondary coils of a transformer are 5 and 10 respectively and the mutual inductance of the tranformar is 25 henry. Now the number of turns in the primary and secondary of the transformar are made 10 and 5 respectivaly. The mutual inductance of the transformar in henry will be