Physics-
General
Easy
Question
A wire bent in the form a right angled triangle PQR, carries a current 1 A It is placed in a region of a uniform magnetic field B= 0.2T If PR = 1m, the net force on the wire is
- 1.73N
- 3.46N
- 2.732N
- Zero
The correct answer is: 2.732N
Related Questions to study
physics-
A current i A = 2 be flowing in each part of a wire frame as shown in fig The frame is a combination of two equilateral triangles ACD and CDE of side 1m It is placed in uniform magnetic field B=4T acting perpendicular to the plane of frame The magnitude of magnetic force acting on the frame is
A current i A = 2 be flowing in each part of a wire frame as shown in fig The frame is a combination of two equilateral triangles ACD and CDE of side 1m It is placed in uniform magnetic field B=4T acting perpendicular to the plane of frame The magnitude of magnetic force acting on the frame is
physics-General
physics-
Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at an angle q to each other What is the force on a small element dl of wire 2 at a distance of r from wire 1 (as shown in figure) due to the magnetic field of wire 1
Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at an angle q to each other What is the force on a small element dl of wire 2 at a distance of r from wire 1 (as shown in figure) due to the magnetic field of wire 1
physics-General
physics-
PQ is a uniform rod of length l and mass m carrying current i and is suspended in uniform magnetic field of induction B ur acting inward as shown in figure The tension in each string is
PQ is a uniform rod of length l and mass m carrying current i and is suspended in uniform magnetic field of induction B ur acting inward as shown in figure The tension in each string is
physics-General
physics-
Two wires AO and OC carry currents i as shown in figure One end of both the wires extends to infinity , the magnitude of magnetic field at a point P on the bisector of the two wires at a distance r from O is
Two wires AO and OC carry currents i as shown in figure One end of both the wires extends to infinity , the magnitude of magnetic field at a point P on the bisector of the two wires at a distance r from O is
physics-General
Physics-
Two identical discs of same radius are rotating about their axes in opposite directions with the same constant angular speed . The discs are in the same horizontal plane. At time , the points and are facing each other as shown in figure. The relative speed between the two points and is as function of times best represented by
Two identical discs of same radius are rotating about their axes in opposite directions with the same constant angular speed . The discs are in the same horizontal plane. At time , the points and are facing each other as shown in figure. The relative speed between the two points and is as function of times best represented by
Physics-General
physics-
Consider the given velocity-time graph It represents the motion of
Consider the given velocity-time graph It represents the motion of
physics-General
chemistry-
2-methoxy butane is obtained by reacting diazomethane with
2-methoxy butane is obtained by reacting diazomethane with
chemistry-General
physics-
The figure shows a circular path of a moving particle. If the velocity of the particle at same instant is , through which quadrant is the particle moving when clockwise and anti-clockwise respectively
The figure shows a circular path of a moving particle. If the velocity of the particle at same instant is , through which quadrant is the particle moving when clockwise and anti-clockwise respectively
physics-General
chemistry-
The dehydration of butane-1-ol gives
The dehydration of butane-1-ol gives
chemistry-General
chemistry-
Which of the following reaction is/are feasible?
Which of the following reaction is/are feasible?
chemistry-General
chemistry-
The preparation of SO3(g)by reaction is an exothermic reaction. If the preparation follows the following temperature-pressure relationship for its % yield, then for temperatures T1,T2 and T3 . The correct option is
The preparation of SO3(g)by reaction is an exothermic reaction. If the preparation follows the following temperature-pressure relationship for its % yield, then for temperatures T1,T2 and T3 . The correct option is
chemistry-General
chemistry-
Lucas reagent is a mixture of:
Lucas reagent is a mixture of:
chemistry-General
physics-
If a stone to hit at a point which is at a distance away and at a height above the point from where the stone starts, then what is the value of initial sped , if the stone is launched at an angle ?
If a stone to hit at a point which is at a distance away and at a height above the point from where the stone starts, then what is the value of initial sped , if the stone is launched at an angle ?
physics-General
biology
Match the following and mark the correct options
Match the following and mark the correct options
biologyGeneral
Physics-
A point mass is suspended from a light thread of length fixed at, is whirled in a horizontal circle at constant speed as shown. From your point of view, stationary with respect to the mass, the forces on the mass are
A point mass is suspended from a light thread of length fixed at, is whirled in a horizontal circle at constant speed as shown. From your point of view, stationary with respect to the mass, the forces on the mass are
Physics-General