Physics Questions, Problems & Solutions : TransWikia.com ~ Page 686

Mechanism of working of full wave rectifier using center tapped transformer

I am self learning semiconductors for past few days and i couldnot get the answer to the following question. How does a centre tap transformer rectifier function? ...

Asked on 01/02/2021 by Pink

1 answer

Interpretation of the vector current in field theory

In field theory we write $$J^mu=bar{Psi}gamma^muPsi$$ But I can't understand why it is so. Could anyone explain each of the terms in the multiplication?...

Asked on 01/02/2021

1 answer

Bertschinger:Vectors versus one-forms with a metric present: "We should not think of these as being distinct 'components' of the same entity at all."

In Edmund Bertschinger's lecture notes Introduction to Tensor Calculus for General Relativity, following equation (14) he tells us:The component $P_mu$ of the one-form $overset{sim}{P}$ is...

Asked on 01/02/2021

2 answer

Describing small, NRQM systems purely in terms of photons

Is there a canonical way to describe an open, non-relativistic quantum system with density matrix $rho(t)$ entirely in terms of the light that it emits and absorbs (and vice...

Asked on 01/02/2021

1 answer

Does a time varying magnetic field produce an EMF in an open conducting loop? (slidewire generator example)?

Consider a conducting rod placed in a magnetic field. I understand that if the rod moves normally to the field, it experiences an EMF. Furthermore, if the ends of rod...

Asked on 01/02/2021 by Joshua Gardner

2 answer

Understanding the effect of internal resistance on voltage

I am having trouble understanding the effect of internal resistance on voltage. I have a circuit which is a real voltage source modelled as an ideal voltage source with EMF...

Asked on 01/02/2021 by Tom888

1 answer

Kinetic energy of vortex rings

According to a standard textbook on fluid dynamics (Physical Hydrodynamics, Guyon et al., Oxford University Press, 2015), the order of magnitude of the velocity of a plane circular vortex ring...

Asked on 01/02/2021 by Frost

0 answer

Can open-tube manometers be used to measure atmospheric pressure?

I was going through a slide made by my physics professor and was wondering about the statement made at the bottom: "This cannot be used to measure the atmospheric pressure"....

Asked on 01/02/2021

1 answer

Why don't we consider centripetal force while making FBD (free body diagram)?

Consider a situation where a block is kept on a wedge which is further kept on a surface which rotates with $omega$ the FBD for the same...

Asked on 01/02/2021

6 answer

Quantum meaning of classical EM field

The wave function of an electron has the well known statistical interpretation.Does the classical electromagnetic field have a similar meaning as a wave function of a photon?If yes, what...

Asked on 01/02/2021

1 answer

Ask a Question

Get help from others!

Physics : Recent Questions and Answers (Page 686)

Ask a Question