physics second semester for (even sem)

physics 2nd semester unit I a) What is meant by electric flux ? Ans:- Define electric field and electric potential. Show that ...

physics 2nd semester

unit I

a)

1. What is meant by electric flux ? Ans:-
2. Define electric field and electric potential. Show that the potential difference between any two point in an electric field is given by the line integral of the electric field taken over any path joining those point. Ans:-

b)

1. Derive an expression for the mechanical force per unit area of a charged conductor? Ans:-
2. What is the capacitance of a cpapcitor? Derive an expression of the capacitance of cylindrical capacitor consisting of two coaxial cylinders. Ans:-

unit II

a)

1. Describe briefly the dia, para, and ferro-megnetic material with example. Ans:-
2. Find the expression for magnetic field at an equatorial point due to a magnetic dipole. Ans:-

b)

1. What are meant by magnetic induction and intensity of megnetisation? Ans:-
2. Define magnetic susceptibility and magnetic permeability. establish the relation μ = μₒ(1+χ) Ans:-

unit III

a)

1. State krichoff’s low for the distribution of currents in an electrical network. Ans:-
2. Using krichoffs lows. Derive an exression for the sensitivity of a wheatstone bridge. Ans:-

b)

1. Applying kirchoff’s low, deduce the condition of balance of a wheat stone bridge. Ans:-
2. Describe the construction and working of potentiometer. Ans:-

unit IV

a)

1. Describe the construction of a moving coil blastic galvanometer. Derive the expression for quantity of charge flowing through it. Ans:-
2. Define figure of merit of a moving coil galvanometer. Ans:-

b)

1. Explain biot-savarat low. Calculate magnetic induction at a point on the axis of a circular coil carrying current by using biot-savarat low. Ans:-
2. What is ampere theorem. Ans:-

unit V

a)

1. What is ment by electromagnetic induction? Ans:-
2. State and deduce faradays low of electromagnetic induction in integral and differential form. Ans:-

b)

1. Explain the construction and working of a transformer. Ans:-
2. Discuss various losses in a transformer. Ans:-

• Important Links:-
• physics syllabus            click here
• more physics question  click here