The ratio of secondary to the primary tums in a transformer is $3 : 2.$ If the power out put be $P$ , then input power, neglecting all losses, must be equal to:

5 P

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1.5 P

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

P

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{2}{5} P

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $1.5 P$
Power= $V I$
For secondary $P_{2} = V - 2 I_{2} = \frac{T_{2}}{T_{1}} V_{1} \times \frac{T_{1}}{T_{2}} I_{1} = V_{1} I_{1}$
Hence, $P_{2} = V_{1} I = P$
Power is same in transforming primary and secondary.

Suggest Corrections

Similar questions

Q. The ratio of the secondary to the primary turns in a transformer is

3 : 2

and the output power is

P

. Neglecting all power losses, the input power must be

Q. In a transformer, in which the losses may be neglected, the ratio of the primary voltage to secondary voltage is found to be

4 : 1

. The ratio of the primary to secondary turns and the ratio of the primary current to secondary current are respectively in the ratio of :

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

2000 V - 200 V, 20 kVA

transformers have

66

turns in the secondary winding. If

I_{P}

and

I_{S}

represents primary and secondary full-load current respectively, then : (Neglect the power losses in the transformer)

Q. The number of turns in the primary and secondary coils of a transformer are 100 and 300 respectively. If the input power is 60 watt the output power will be

Join BYJU'S Learning Program

The ratio of secondary to the primary tums in a transformer is 3:2. If the power out put be P, then input power, neglecting all losses, must be equal to:

The correct option is B 1.5 PPower= VIFor secondary P2=V−2I2=T2T1V1×T1T2I1=V1I1Hence, P2=V1I=PPower is same in transforming primary and secondary.

The ratio of secondary to the primary tums in a transformer is $3 : 2.$ If the power out put be $P$ , then input power, neglecting all losses, must be equal to:

The correct option is B $1.5 P$
Power= $V I$
For secondary $P_{2} = V - 2 I_{2} = \frac{T_{2}}{T_{1}} V_{1} \times \frac{T_{1}}{T_{2}} I_{1} = V_{1} I_{1}$
Hence, $P_{2} = V_{1} I = P$
Power is same in transforming primary and secondary.