Author: Nayan Jha

Very important questions of ray optics

RayDiagramOfCompoundMicroscope

Very important questions of ray optics- In this topic we will get some, Very important questions of ray optics. Students preparing for board examination must solve all the questions given below. Very important questions of ray optics 1. Derive the mathematical relation between refractive indices μ1 and μ2 of two radii and radius of curvature… Continue reading Very important questions of ray optics

Magnetic field of earth

In this topic we will discuss about Magnetic field of earth. And also cause of earth’s magnetism, and magnetic and geographic axis and meridian. Magnetic field of earth – In 1600 Sir William Gilbert first suggested that earth behaves like a magnet , it is huge magnet itself. The following evidence explain it- When a… Continue reading Magnetic field of earth

Conversion of galvanometer into voltmeter

Conversion of galvanometer into voltmeter In this topic we will discuss about the ‘ Conversion of galvanometer into voltmeter ‘ . What is ammeter? and how can we convert a Galvanometer into voltmeter? Before to read this topic ‘ Conversion of galvanometer into voltmeter ‘  students must know about the galvanometer and shunt . To… Continue reading Conversion of galvanometer into voltmeter

Conversion of galvanometer into ammeter

Conversion of galvanometer into ammeter In this topic we will discuss about the ‘ Conversion of galvanometer into ammeter ‘ . What is ammeter? and how can we convert a voltmeter into ammeter? Before to read this topic ‘ Conversion of galvanometer into ammeter ‘  students must know about the galvanometer and shunt . To… Continue reading Conversion of galvanometer into ammeter

Shunt

Shunt In this topic we will discuss about, what is shunt? what are the uses of shunt? and how can we convert a galvanometer into ammeter? Before to go with this topic students must know about the moving coil galvanometer, to get the notes of moving coil galvanometer click here- Shunt- Shunt is a low… Continue reading Shunt

Torque on a current carrying coil placed in magnetic field

Torque on a current carrying coil placed in magnetic field . In this topic we will find the expression for the torque on a current carrying coil placed in magnetic field. But before to derive the expression for ‘Torque on a current carrying coil placed in magnetic field’ , students must know the expression for… Continue reading Torque on a current carrying coil placed in magnetic field

Force between two parallel current carrying linear conductors

Force between two parallel current carrying linear conductors In this topic we will find the expression for Force between two parallel current carrying linear conductors when they are separated by some distance , and current flowing through them is in same direction ( also when current flowing through them is in different directions). Before to… Continue reading Force between two parallel current carrying linear conductors

Complete assignment of magnetic effect of current

Complete assignment of magnetic effect of current In this assignment Complete assignment of magnetic effect of current all kind of questions , objective , short answer type questions, long answer type questions and all kind of numericals with hots questions. Before to solve this assignment students must know the syllabus  and notes related to this… Continue reading Complete assignment of magnetic effect of current

Force acting on the current carrying conductor placed in magnetic field

Force acting on the current carrying conductor placed in magnetic field In this topic we will discuss about Force acting on the current carrying conductor placed in magnetic field, where magnetic field is uniform and current carrying coil is laced at some angle with the magnetic field. Before to know about this topic students must… Continue reading Force acting on the current carrying conductor placed in magnetic field