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Two long straight currents carrying wires having currents I and 2I lie along y-and z-axis, respectively, as shown in Fig. Find B at a point P(x,0,0).
05
Sep
Two long straight currents carrying wires having currents I and 2I lie along y-and z-axis, respectively, as shown in Fig. Find B at a point P(x,0,0). 0 ) as shown in Fig. Find B at a point P(x respectively Two long straight currents carrying wires having currents I and 2I lie along y-and z-axis September [...]
Figure shows two parallel and coaxial loops. The smaller loop (radius r) is above the larger loop (radius R), by distance x>>R. The magnetic field due to current i in the larger loop is nearly constant throughout the smaller loop. Suppose that x is increasing at a constant rate of dx / dt =v. find The induced emf in the smaller loop is
05
Sep
Figure shows two parallel and coaxial loops. The smaller loop (radius r) is above the larger loop (radius R), by distance x>>R. The magnetic field due to current i in the larger loop is nearly constant throughout the smaller loop. Suppose that x is increasing at a constant rate of dx / dt =v. find [...]
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A wire loop with a = 10 cm and b= 15 cm and a long straight wire is arranged as shown in fig. the current in the wiire is changing according with a relation i = 5 t^2 - 10 t ,
Figure shows two parallel and coaxial loops. The smaller loop (radius r) is above the larger loop (radius R) ,
where I is in amperes and t is in seconds a) find the emf in the square loop t = 4 s? b) what is the direction of the induced current in the loop ? ,
A long straight wire carrying current i=10A lies along y-axis. Find the magnetic field at P(3cm, 2cm,4cm).
05
Sep
A long straight wire carrying current i=10A lies along y-axis. Find the magnetic field at P(3cm, 2cm,4cm). 2cm 4cm). A long straight wire carrying current i=10A lies along y-axis. Find the magnetic field at P(3cm September 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A wire loop with a = 10 cm and b= 15 cm and a long straight wire is arranged as shown in fig. the current in the wiire is changing according with a relation i = 5 t^2 – 10 t , where I is in amperes and t is in seconds a) find the emf in the square loop t = 4 s? b) what is the direction of the induced current in the loop ?
05
Sep
A wire loop with a = 10 cm and b= 15 cm and a long straight wire is arranged as shown in fig. the current in the wiire is changing according with a relation i = 5 t^2 – 10 t , where I is in amperes and t is in seconds a) find the [...]
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A wire loop with a = 10 cm and b= 15 cm and a long straight wire is arranged as shown in fig. the current in the wiire is changing according with a relation i = 5 t^2 - 10 t ,
where I is in amperes and t is in seconds a) find the emf in the square loop t = 4 s? b) what is the direction of the induced current in the loop ? ,
A particle having mass m and charge q is released from the origin in a region in which electric field and magnetic field are given by B = −B0J and E−E0K. Find the speed of the particle as a function of its z-coordinate.
05
Sep
A particle having mass m and charge q is released from the origin in a region in which electric field and magnetic field are given by B = −B0J and E−E0K. Find the speed of the particle as a function of its z-coordinate. A loop of flexible conducting wire of length 0.5 m lies in [...]
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A loop of flexible conducting wire of length 0.5 m lies in a magnetic field of 1.0 T perpendicular to the plane of the loop. Show that when a current as shown in Fig. 1.112 is passed through the loop ,
it opens into a circle. Also calculate the tension developed in the wire if the current is 1.57 A. ,
A small circular coil with a mass of m consists of N turns of fine wire and carries a current of I. The coil is located in a uniform magnetic field of B with the coil axis orignally parallel to the field direction. a. What is the period of small angle oscillations of the coil axis around its equilibrium position, assuming no friction and no mechanical force? b. If the coil is rotated through an angle of θ from its equilibrium position and then
05
Sep
A small circular coil with a mass of m consists of N turns of fine wire and carries a current of I. The coil is located in a uniform magnetic field of B with the coil axis orignally parallel to the field direction. a. What is the period of small angle oscillations of the coil [...]
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A loop of flexible conducting wire of length 0.5 m lies in a magnetic field of 1.0 T perpendicular to the plane of the loop. Show that when a current as shown in Fig. 1.112 is passed through the loop ,
it opens into a circle. Also calculate the tension developed in the wire if the current is 1.57 A. ,
A current I =2.5 (1+2t)×10^3A increase at a steady state in a long straight wire. A small circular loop of radius 10−3 m has its plane parallel to the wire and is placed at a distance of 1 m from the wire. The resistance of loop is 5 pie ×10^−4(Ω). Find the approximate value of induced current in the loop.
05
Sep
A current I =2.5 (1+2t)×10^3A increase at a steady state in a long straight wire. A small circular loop of radius 10−3 m has its plane parallel to the wire and is placed at a distance of 1 m from the wire. The resistance of loop is 5 pie ×10^−4(Ω). Find the approximate value of [...]
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A bar magnet is released from rest and starts falling through a metal ring as shown in fig ,
A wire loop is suspended from a string that is attached to point P in the drawing. When released ,
but in case (II) it has been cut through. discuss the motion of the magnet in both cases when it is above the ring and below the ring as well. ,
consider ywo cases ,
from left to right ,
in case (I) the ring is solid all the way around ,
the loop swings downward ,
through a uniform magnetic field ,
An electron accelerated by a potential difference V=3 volt first enters into a uniform electric field of a parallel plate capacitor whose plates extend over a length l=6cm in the direction of initial velocity. The electric field is normal to the direction of initial velocity and its strength varies with time as E=αt, where α=3600Vm^−1s^−1. Then the electron enters into a uniform magnetic field of induction
05
Sep
An electron accelerated by a potential difference V=3 volt first enters into a uniform electric field of a parallel plate capacitor whose plates extend over a length l=6cm in the direction of initial velocity. The electric field is normal to the direction of initial velocity and its strength varies with time as E=αt, where α=3600Vm^−1s^−1. [...]
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A loop of flexible conducting wire of length 0.5 m lies in a magnetic field of 1.0 T perpendicular to the plane of the loop. Show that when a current as shown in Fig. 1.112 is passed through the loop ,
it opens into a circle. Also calculate the tension developed in the wire if the current is 1.57 A. ,
A positively charged particle having charge q1=1C and mass m1=40gm is revolving along a circle of radius R=40cm with velocity v1=5ms−1 in a uniform magnetic field with center of circle at origin O of a three-dimensional system. At t=0, the particle was at (0, 0.4m, 0) and velocity was directed along positive x direction. Another particle having charge q2=1C and mass m2=10g moving uniformly parallel to positive z-direction with velocity
05
Sep
A positively charged particle having charge q1=1C and mass m1=40gm is revolving along a circle of radius R=40cm with velocity v1=5ms−1 in a uniform magnetic field with center of circle at origin O of a three-dimensional system. At t=0, the particle was at (0, 0.4m, 0) and velocity was directed along positive x direction. Another [...]
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A loop of flexible conducting wire of length 0.5 m lies in a magnetic field of 1.0 T perpendicular to the plane of the loop. Show that when a current as shown in Fig. 1.112 is passed through the loop ,
it opens into a circle. Also calculate the tension developed in the wire if the current is 1.57 A. ,
Space is divided by the line AD into two regions. Region I is field free and the Region II has a unifrom magnetic field B direction into the plane of the paper. ACD is a simicircular conducting loop of radius r with center at O, hte plane of the loop being in the plane of the paper. The loop is now made to rotate with a constant angular velocity ω about an axis passing through O and the perpendicular to the plane of the paper. The effective resistance of the loop is R. (i) obtain an expression for hte magnitude of the induced cureent in the loop. (ii) Show the direction of the current when the loop is entering into the Rigion II. Plot a graph between the induced e.m.f and the time of rotation for two periods or rotation.
05
Sep
Space is divided by the line AD into two regions. Region I is field free and the Region II has a unifrom magnetic field B direction into the plane of the paper. ACD is a simicircular conducting loop of radius r with center at O, hte plane of the loop being in the plane of [...]
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A bar magnet is released from rest and starts falling through a metal ring as shown in fig ,
A wire loop is suspended from a string that is attached to point P in the drawing. When released ,
but in case (II) it has been cut through. discuss the motion of the magnet in both cases when it is above the ring and below the ring as well. ,
consider ywo cases ,
from left to right ,
in case (I) the ring is solid all the way around ,
the loop swings downward ,
through a uniform magnetic field ,