Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A metallic wire is folded to form a square loop of side a. It carries a current i and is kept perpendicular to the region of uniform magnetic field B. If the shape of the loop is changed from square to an equilateral triangle without changing the length of the wire and current. The amount of work done in doing so is
20
Oct
A metallic wire is folded to form a square loop of side a. It carries a current i and is kept perpendicular to the region of uniform magnetic field B. If the shape of the loop is changed from square to an equilateral triangle without changing the length of the wire and current. The amount [...]
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horizontal rails connected to i g . The entire system lies in a vertical magnetic field B. The velocity of the wire as a function of time is ,
sends a constant current i through the circuit. The wire ab has a length l and mass m slide on the smooth ,
shown in figure. ,
The current generator i g ,
A conducting rod PQ of length L = 1.0 m is moving with a uniform speed in a uniform speed v = 2.0 m/s in a uniform magnetic field B = 4.0 T directed into the plane of the paper.
20
Oct
A conducting rod PQ of length L = 1.0 m is moving with a uniform speed in a uniform speed v = 2.0 m/s in a uniform magnetic field B = 4.0 T directed into the plane of the paper. A conducting rod PQ of length L = 1.0 m is moving with a uniform [...]
The magnetic field in a region is given by B = B [ 1+ x/a ] k. A square loop of edge length d is placed with its edge along the x – and y axes. THe loop is moved with a constant velocity v = v0 i. The emf included in the loop is
20
Oct
The magnetic field in a region is given by B = B [ 1+ x/a ] k. A square loop of edge length d is placed with its edge along the x – and y axes. THe loop is moved with a constant velocity v = v0 i. The emf included in the loop is [...]
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horizontal rails connected to i g . The entire system lies in a vertical magnetic field B. The velocity of the wire as a function of time is ,
sends a constant current i through the circuit. The wire ab has a length l and mass m slide on the smooth ,
shown in figure. ,
The current generator i g ,
The current generator i g , shown in figure, sends a constant current i through the circuit. The wire ab has a length l and mass m slide on the smooth, horizontal rails connected to i g . The entire system lies in a vertical magnetic field B. The velocity of the wire as a function of time is
20
Oct
The current generator i g , shown in figure, sends a constant current i through the circuit. The wire ab has a length l and mass m slide on the smooth, horizontal rails connected to i g . The entire system lies in a vertical magnetic field B. The velocity of the wire [...]
Tags:
horizontal rails connected to i g . The entire system lies in a vertical magnetic field B. The velocity of the wire as a function of time is ,
sends a constant current i through the circuit. The wire ab has a length l and mass m slide on the smooth ,
shown in figure. ,
The current generator i g ,
A rectangle loop with a sliding connector of length l = 1.0 m is situated in a uniform magnetic field B = 2 T perpendicular to the plane of loop. Resistance of connector is r = 2 Ω. Two resistance of 6Ω and 3Ω are connected as shown in figure. the external force required to keep the connector moving with a constant velocity v = 2 m/s is
20
Oct
A rectangle loop with a sliding connector of length l = 1.0 m is situated in a uniform magnetic field B = 2 T perpendicular to the plane of loop. Resistance of connector is r = 2 Ω. Two resistance of 6Ω and 3Ω are connected as shown in figure. the external force required to [...]
A metal disc of radius a rotates with a constant angular velocity ω about its axis. The potential difference between the center and the rim of the disc is (m = mass of electron, e = charge on electron)
20
Oct
A metal disc of radius a rotates with a constant angular velocity ω about its axis. The potential difference between the center and the rim of the disc is (m = mass of electron, e = charge on electron) A metal disc of radius a rotates with a constant angular velocity ω about its axis. [...]
A metal rod of resistance 20 Ω is fixed along a diameter of a conducting ring of radius 0.1 m and lies on x−y plane. There is a magnetic field B = ( 50 T) k. The ring rotates with an angular velocity ω = 20 rad/s about its axis. An external resistance of 10 Ω is connected across the center of the ring and rim. The current external resistance is
20
Oct
A metal rod of resistance 20 Ω is fixed along a diameter of a conducting ring of radius 0.1 m and lies on x−y plane. There is a magnetic field B = ( 50 T) k. The ring rotates with an angular velocity ω = 20 rad/s about its axis. An external resistance of 10 [...]
A metallic ring of radius r with a uniform metallic spoke of negligible mass and length r is rotated about its axis with angular velocity ω in a perpendicular uniform magnetic field B as shown in Fig. 3.163. The central end of the spoke is connected to the rim of the wheel through a resistor R as shown. The resistor does not rotate, its one end is always at the center of the ring and the other end is always in as shown is needed to maintain constant angular velocity of the wheel. F is equal to (the ring and the spoke has zero resistance)
20
Oct
A metallic ring of radius r with a uniform metallic spoke of negligible mass and length r is rotated about its axis with angular velocity ω in a perpendicular uniform magnetic field B as shown in Fig. 3.163. The central end of the spoke is connected to the rim of the wheel through a resistor [...]
AB is a resistance less conducting rod which forms a diameter of a conducting ring of radius r rotating in a uniform magnetic field as shown in figure. The resistors R1 and R2 do not rotate . Then the current through the resistor R1 is
20
Oct
AB is a resistance less conducting rod which forms a diameter of a conducting ring of radius r rotating in a uniform magnetic field as shown in figure. The resistors R1 and R2 do not rotate . Then the current through the resistor R1 is An equilateral triangular loop ADC having some resistance is pulled [...]
Magnetic flux linked with a stationary loop of resistance R varies with respect to time during the time period T as follows: ϕ = aT (T−r) Find the amount of heat generated in the loop during that time. Inductance of the coil is negligible.
20
Oct
Magnetic flux linked with a stationary loop of resistance R varies with respect to time during the time period T as follows: ϕ = aT (T−r) Find the amount of heat generated in the loop during that time. Inductance of the coil is negligible. An equilateral triangular loop ADC having some resistance is pulled with [...]