Physics-
General
Easy
Question
An equilateral triangular loop having a resistance R and length of each side l is placed in a magnetic field which is varying at 
The induced current in the loop will be
The correct answer is:
Related Questions to study
Physics-
A uniform but time varying magnetic field is present in a circular region of radius R The magnetic field is perpendicular and into the plane of the loop and the magnitude of the field is increasing at a constant rate 
.There is a straight conducting rod of length 2R placed as shown in figure .The magnitude of induced emf across the rod is
A uniform but time varying magnetic field is present in a circular region of radius R The magnetic field is perpendicular and into the plane of the loop and the magnitude of the field is increasing at a constant rate .There is a straight conducting rod of length 2R placed as shown in figure .The magnitude of induced emf across the rod is
Physics-General
Physics-
Time constant of L-R circuit will be
Time constant of L-R circuit will be
Physics-General
Physics-
A large number of infinite long thin wires each carrying current i0 are kept along z-axis. Then the value of magnetic field ‘B’, at any point ‘P’ at a distance ‘x’ from O varies as
A large number of infinite long thin wires each carrying current i0 are kept along z-axis. Then the value of magnetic field ‘B’, at any point ‘P’ at a distance ‘x’ from O varies as
Physics-General
Physics-
Two fixed long conducting wires cross each other perpendicularly so that they do not actually touch but are close to each other as shown in the figure. Equal current i exist in each wire in the directions indicated. In what region(s) will there be some points with zero net magnetic field?
Two fixed long conducting wires cross each other perpendicularly so that they do not actually touch but are close to each other as shown in the figure. Equal current i exist in each wire in the directions indicated. In what region(s) will there be some points with zero net magnetic field?
Physics-General
Physics-
A tube of uniform cross-section A is bent to form a circular arc of radius R, forming three quarters of a circle. A liquid of density 
is forced through the tube with a linear speed v as shown in figure. The net force exerted by the liquid on the tube is
A tube of uniform cross-section A is bent to form a circular arc of radius R, forming three quarters of a circle. A liquid of density is forced through the tube with a linear speed v as shown in figure. The net force exerted by the liquid on the tube is
Physics-General
Physics-
In the figure shown a particle of mass m moving with velocity 
strike a wall (mass is infinitely large) moving towards the particle with same speed The work done on the particle during collision is
In the figure shown a particle of mass m moving with velocity strike a wall (mass is infinitely large) moving towards the particle with same speed The work done on the particle during collision is
Physics-General
Physics-
Three rods of the same mass are placed as shown in the figure. What will be the co-ordinates of the center of mass of the system ?
Three rods of the same mass are placed as shown in the figure. What will be the co-ordinates of the center of mass of the system ?
Physics-General
Physics-
A ball moving with a velocity strikes a wall moving towards the ball with a velocity 
as shown in fig. An elastic impact occurs. Consider the mass of the wall to be infinitely great. The work done by the wall during collision is
A ball moving with a velocity strikes a wall moving towards the ball with a velocity as shown in fig. An elastic impact occurs. Consider the mass of the wall to be infinitely great. The work done by the wall during collision is
Physics-General
Physics-
A tube of uniform cross-section A is bent to form a circular arc of radius R, forming three quarters of a circle. A liquid of density is forced through the tube with a linear speed v as shown in figure. The net force exerted by the liquid on the tube is
A tube of uniform cross-section A is bent to form a circular arc of radius R, forming three quarters of a circle. A liquid of density is forced through the tube with a linear speed v as shown in figure. The net force exerted by the liquid on the tube is
Physics-General
Physics-
In the figure shown a particle of mass m moving with velocity strike a wall ( mass is infinitely large) moving towards the particle with same speed The work done on the particle during collision is
In the figure shown a particle of mass m moving with velocity strike a wall ( mass is infinitely large) moving towards the particle with same speed The work done on the particle during collision is
Physics-General
Physics-
Three rods of the same mass are placed as shown in the figure. What will be the co-ordinates of the center of mass of the system ?
Three rods of the same mass are placed as shown in the figure. What will be the co-ordinates of the center of mass of the system ?
Physics-General
Physics-
A ball moving with a velocity strikes a wall moving towards the ball with a velocity as shown in fig. An elastic impact occurs. Consider the mass of the wall to be infinitely great. The work done by the wall during collision is
A ball moving with a velocity strikes a wall moving towards the ball with a velocity as shown in fig. An elastic impact occurs. Consider the mass of the wall to be infinitely great. The work done by the wall during collision is
Physics-General
Physics-
Six identical balls are lined in a straight groove made on a horizontal frictionless surface as shown. Two similar balls each moving with a velocity v collide elastically with the row of 6 balls from left. What will happen
Six identical balls are lined in a straight groove made on a horizontal frictionless surface as shown. Two similar balls each moving with a velocity v collide elastically with the row of 6 balls from left. What will happen
Physics-General
Physics-
A body of mass 2 kg slides down a curved track which is quadrant of a circle of radius 1 metre. All the surfaces are frictionless. If the body starts from rest, its speed at the bottom of the track is
A body of mass 2 kg slides down a curved track which is quadrant of a circle of radius 1 metre. All the surfaces are frictionless. If the body starts from rest, its speed at the bottom of the track is
Physics-General
Physics-
The relationship between the force F and position x of a body is as shown in figure. The work done in displacing the body from x = 1 m to x = 5 m will be
The relationship between the force F and position x of a body is as shown in figure. The work done in displacing the body from x = 1 m to x = 5 m will be
Physics-General
