Figure shows a rectangular loop moving in a uniform magnetic field. Show the electrical equivalence of each branch. what is the net induced emf ?
Sahay Sir > Question Answers > Figure shows a rectangular loop moving in a uniform magnetic field. Show the electrical equivalence of each branch. what is the net induced emf ?
A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current ‘I’. The distance between the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?
19
Oct
A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current ‘I’. The distance between the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the [...]
A long conducting wire AH is moved over a conducting triangular wire CDE with a constant velocity v in a uniform magnetic field B directed into the plane of the paper. Resistance per unit length of each wire is ρ. Then
19
Oct
A long conducting wire AH is moved over a conducting triangular wire CDE with a constant velocity v in a uniform magnetic field B directed into the plane of the paper. Resistance per unit length of each wire is ρ. Then a particle having charge q is placed at a point P outside the cylindrical [...]
A conducting wire frame is placed in magnetic field which is directed into the plane of the paper ( fig ). The magnetic field is increasing at a constant rate. THe directions of induced currents in wires AB and CD are
19
Oct
A conducting wire frame is placed in magnetic field which is directed into the plane of the paper ( fig ). The magnetic field is increasing at a constant rate. THe directions of induced currents in wires AB and CD are a particle having charge q is placed at a point P outside the cylindrical [...]
A flexible wire bent in the form of a circle is placed in a uniform magnetic field perpendicularly to the plane of the coil. Thev radius of the coil changes as shown in figure. The graph of magnitude of induced emf in the coil is represeted by
19
Oct
A flexible wire bent in the form of a circle is placed in a uniform magnetic field perpendicularly to the plane of the coil. Thev radius of the coil changes as shown in figure. The graph of magnitude of induced emf in the coil is represeted by a particle having charge q is placed at [...]
A long solenoid of radius R and n be the number of turns per unit length carries a linearly increasing current i = i0/T t. A coaxial circular conducting loop of radius 2R is fitted with a parallel capacitor whose plate area is A and seperation is d. Find the
19
Oct
A long solenoid of radius R and n be the number of turns per unit length carries a linearly increasing current i = i0/T t. A coaxial circular conducting loop of radius 2R is fitted with a parallel capacitor whose plate area is A and seperation is d. Find the a particle having charge q [...]
Three identical coils A, B and C are placed with their planes parallel to one another. Fig Coils B and C carry currents as shwon. Coils B and C are fixed. The coil A is moved towards B with uniform speed. Is three any induced current in B
19
Oct
Three identical coils A, B and C are placed with their planes parallel to one another. Fig Coils B and C carry currents as shwon. Coils B and C are fixed. The coil A is moved towards B with uniform speed. Is three any induced current in B a particle having charge q is placed [...]
A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field which is perpendicular to the plane of the ring. Which of the following statements is correct?
19
Oct
A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field which is perpendicular to the plane of the ring. Which of the following statements is correct? a particle having charge q is placed at a point P outside the cylindrical magnetic field region Figure shows a [...]
A rod PQ is connected to the capacitor plates. The rod is placed in a magnetic field (B) directed downwards perpendicular to the plane of the paper. If the rod is pulled out of magnetic field with velocity v as shown in Figure.
19
Oct
A rod PQ is connected to the capacitor plates. The rod is placed in a magnetic field (B) directed downwards perpendicular to the plane of the paper. If the rod is pulled out of magnetic field with velocity v as shown in Figure. a particle having charge q is placed at a point P outside [...]
A particle having charge q is placed at a point P outside the cylindrical magnetic field region, where uniform magnetic field is perpendicular to the plane of the figure in a cylindrical region of radius R. The magnetic field is increasing at a constant rate of bita T/s . If the particle is slowely moved to infinity, calculate work done by the external agent on th particle in case
19
Oct
A particle having charge q is placed at a point P outside the cylindrical magnetic field region, where uniform magnetic field is perpendicular to the plane of the figure in a cylindrical region of radius R. The magnetic field is increasing at a constant rate of bita T/s . If the particle is slowely moved [...]
A uniform magnetic field present in cylindrical region of radius R centred at O as shown in the figure. The magnetic field is changing at a rate dB/dt = bita. There present a conducting loop ABCD in the polane of the fig with its arms BC and DA along two radial direction from O having an angle theta between them. AB and CD are two circular arcs of radius b and a respectively centred at O. Find
19
Oct
A uniform magnetic field present in cylindrical region of radius R centred at O as shown in the figure. The magnetic field is changing at a rate dB/dt = bita. There present a conducting loop ABCD in the polane of the fig with its arms BC and DA along two radial direction from O having [...]