The number of turns in the primary and secondary coil of a transformer are 1000 and 4000 respectively.If 200 V ,AC is applied to the primary,then the potential difference per turn of secondary coil is

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

In an ideal transformer the number turns of primary and secondary coil is given as 100 and 200 respectively. If the peak value of the primary voltage is 50V, then the r.m.s value of secondary voltage is nearest to

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 :

In a transformer, the number of turns in primary and secondary are 500 and 2000 respectively. If current in primary is 48A , the current in the secondary is

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 :

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 overall efficiency of a transformer is 90%. The transformer is rated for an output of 9000 watt. The primary voltage is 1000 vot. The ratio of turns in the primary to the secondary coil is 5: 1. The iron losses at full ioad are 700 watt. The primary coil has a resistance of 1 ohm In the above, the current in the secondary coll is :

In a transformer the transformation ratio is 0.3. If 220 V ac is fed to the primary, then the voltage across the secondary is