The primary of a transformer when connected to a dc battery of 10 volt draws a current of 1 mA. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the cricuit in the secondary are respectively :

Question

The primary of a transformer when connected to a dc battery of 10 volt draws a current of 1 mA. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the cricuit in the secondary are respectively : (A) 20 V and 2.0 mA (B) 10 V and 0.5 mA (C) Zero volt and therefore no current (D) 20 V and 0.5 mA

Tardigrade Admin · Accepted Answer

Transformer cannot work on dc. ∴ Vs=0 and Is=0

Q. The primary of a transformer when connected to a $d c$ battery of $10$ volt draws a current of $1 m A$ . The number of turns of the primary and secondary windings are $50$ and $100$ respectively. The voltage in the secondary and the current drawn by the cricuit in the secondary are respectively :

20 V and 2.0 mA

10 V and 0.5 mA

Zero volt and therefore no current

20 V and 0.5 mA

Transformer cannot work on $d c$ .
$∴ V_{s} = 0$ and $I_{s} = 0$

Q. The primary of a transformer when connected to a dc battery of 10 volt draws a current of 1mA. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the cricuit in the secondary are respectively :

20 V and 2.0 mA

10 V and 0.5 mA

Zero volt and therefore no current

20 V and 0.5 mA

Transformer cannot work on dc. ∴Vs​=0 and Is​=0

Transformer cannot work on $d c$ .
$∴ V_{s} = 0$ and $I_{s} = 0$