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A rectangular loop that contains a resistor R is placed near a long straight wire carrying a current I. the wire and the loop are placed in the same plane shown in fig, if the current I is decreasing in time whta is the direction of the induced current through the resistor R- left to right or right to left?
05
Sep
A rectangular loop that contains a resistor R is placed near a long straight wire carrying a current I. the wire and the loop are placed in the same plane shown in fig, if the current I is decreasing in time whta is the direction of the induced current through the resistor R- left to [...]
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A rectangular loop that contains a resistor R is placed near a long straight wire carrying a current I. the wire and the loop are placed in the same plane shown in fig ,
if the current I is decreasing in time whta is the direction of the induced current through the resistor R- left to right or right to left? ,
The trajectory of a projectile in a vertical plane is y=ax −bx^2, where a, b are constants, and x and y are, respectively, the horizontal and vertical distance of the projectile from the point of projection. The maximum height attained is ________ and the angle of projectile from the horizontal is _______.
05
Sep
The trajectory of a projectile in a vertical plane is y=ax −bx^2, where a, b are constants, and x and y are, respectively, the horizontal and vertical distance of the projectile from the point of projection. The maximum height attained is ________ and the angle of projectile from the horizontal is _______. and x and [...]
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and x and y are ,
b are constants ,
respectively ,
the horizontal and vertical distance of the projectile from the point of projection. The maximum height attained is ________ and the angle of projectile from the horizontal is _______. ,
The trajectory of a projectile in a vertical plane is y=ax −bx^2 ,
Where a ,
The speed of a projectile at its maximum height is root 3 / 2 times its initial speed. If the range of the projectile is P times the maximum height attained by it, P is equal to
05
Sep
The speed of a projectile at its maximum height is root 3 / 2 times its initial speed. If the range of the projectile is P times the maximum height attained by it, P is equal to P is equal to The speed of a projectile at its maximum height is root 3 / 2 [...]
If a stone is to hit at a point which is at a distance d away and at a height h above the point from where the stone starts, then what is the value of initial speed u if the stone is launched at an angle theta
05
Sep
If a stone is to hit at a point which is at a distance d away and at a height h above the point from where the stone starts, then what is the value of initial speed u if the stone is launched at an angle theta If a stone is to hit at a [...]
A circular loop of wire placed on flat horizontal plane. an external magnetic field is directed perpendicular to the plane of the loop. the magnitude of the applied magneytic field is increasing with time. because of this increasing magnetic field , an induced current is flowing clockwise in the loop , as viewed from above. what is the direction of the external magnetic field?
05
Sep
A circular loop of wire placed on flat horizontal plane. an external magnetic field is directed perpendicular to the plane of the loop. the magnitude of the applied magneytic field is increasing with time. because of this increasing magnetic field , an induced current is flowing clockwise in the loop , as viewed from above. [...]
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A closed coil having 20 turns ,
A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A square wire loop with L= 1 m sides is perpendicular to a uniform magnetic field ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,
A rectangular loop PQRS made from a uniform wire has length a, width b and mass m. It is free to rotate about the arm PQ, which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists in the region.
05
Sep
A rectangular loop PQRS made from a uniform wire has length a, width b and mass m. It is free to rotate about the arm PQ, which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists [...]
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A rectangular loop PQRS made from a uniform wire has length a ,
which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists in the region. ,
width b and mass m. It is free to rotate about the arm PQ ,
A golfer standing on level ground hits a ball with a velocity of u = 52 m/s at an angle alpha above the horizontal. If tan alpha = 5/12, then the time for which the ball is at least 15 m above the ground will be
05
Sep
A golfer standing on level ground hits a ball with a velocity of u = 52 m/s at an angle alpha above the horizontal. If tan alpha = 5/12, then the time for which the ball is at least 15 m above the ground will be A golfer standing on level ground hits a ball [...]
There are two values of time for which a projectile is at the same height. The sum of these two times is equal to
05
Sep
There are two values of time for which a projectile is at the same height. The sum of these two times is equal to There are two values of time for which a projectile is at the same height. The sum of these two times is equal to September 5, 2020 Category: Cengage JEE Mains [...]
The region between x=0 and x=L is filled with uniform steady magnetic field B0k. A particle of mass m, positive charge q and velocity v0i travels along x-axis and enters the region of the magnetic field. Neglect the gravity throughout the question. a. Find the value of l if the particle emerges from the region of magnetic field with its final velocity at an angel 30 to its initial velocity.
05
Sep
The region between x=0 and x=L is filled with uniform steady magnetic field B0k. A particle of mass m, positive charge q and velocity v0i travels along x-axis and enters the region of the magnetic field. Neglect the gravity throughout the question. a. Find the value of l if the particle emerges from the region [...]
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A uniform constant magnetic field B is directed at an angle of 45 to the x-axis in the xy- plane . PQRS is a rigid ,
An electron gun G emits electrons of energy 2keV travelling in the positive x-direction. The electrons are required to hit the spot S where GS = 0.1m ,
and the line GS makes an angle of 60 with the x-axis as shown in figure. A uniform magnetic field B parallel to GS exists in the region outside the electron gun. ,
square wire frame carrying a steady current I0 ,
the frame is at rest in the position as shown in figure ,
The region between x=0 and x=L is filled with uniform steady magnetic field B0k. A particle of mass m ,
with its centre at the origin O. At time t=0 ,
A closed coil having 20 turns, area of cross section 1 cm^2 and resistance 2 ohms are connected to a ballistic galvamnometer of resistance 30 ohms. if the normal of the coil inclined at 60 degree to the direction of the magnetic field of the intensity 1.5 Wb m/s the coil is quickly pulled out of the field to a region of zero magnetic field . calculate the charge passed through the galvanometer.
05
Sep
A closed coil having 20 turns, area of cross section 1 cm^2 and resistance 2 ohms are connected to a ballistic galvamnometer of resistance 30 ohms. if the normal of the coil inclined at 60 degree to the direction of the magnetic field of the intensity 1.5 Wb m/s the coil is quickly pulled out [...]
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A closed coil having 20 turns ,
A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A square wire loop with L= 1 m sides is perpendicular to a uniform magnetic field ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,