Home
Class 12
PHYSICS
Why cannot a transformer be used to step...

Why cannot a transformer be used to step up d.c. voltage ?

Text Solution

Verified by Experts

This is because d.c. voltage cannot produce a changing magnetic flux required in the working of a transformer.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Solved Examples (b)|1 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Short Answer Qusetions|2 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

  • ELECTROMAGNETIC WAVES

    PRADEEP|Exercise II Focus multiple choice question|5 Videos

Similar Questions

Explore conceptually related problems

Explain with the help of a labelled diagram the underlying principal and working of a step-up transformer, why cannot such a device be used to step-up d.c. voltage ?

Can a transformer be used to alter DC voltage?

A step up transformer is used to

Can we a transformer be used to step up or step down a D.C. voltage? Explain.

Assertion : An ideal transformer does not vary the power. Reason : An transformer is used to step-up or step-down ac voltages.

A transformer is used to step down a.c.voltage. What appliance do you use to step down d.c. voltage ?

An ideal transformer is used to step up an alternating emf of 220V to 4.4kV to transmit 6.6kW of power The current rating of the secondary is

Step-up transformers are used for