362737 A wire \(P Q R\) is bent as shown in figure and is placed in in a region of uniform magnetic field \(B\).                                                                                                                                                     The length of \(PQ = QR = l\) A Current \(I\) ampere flows through the wire shown. The magnitude of the force on \(PQ\) will be

362738 A wire \(PQ\) of mass 10\(g\) is at rest on two parallel metal rails. The separation between the rails is 4.9\(cm\). A magnetic field of 0.80 tesla is applied perpendicular to the plane of the rails. The resistance of the circuit is slowly decreases. When the resistance decreases to below \(20 \Omega\), the wire \(PQ\) begins to slide on the rails. Calculate the coefficient of friction between the wire and the rails.

362739 In the given figure, force on wire \({A B C}\) will be \({(B=2 T)}\)

362740 A conducting circular loop of radius \(r\) carries a constant current \(i\). It is placed in a uniform magnetic field \({\vec B_0}\) such that \({\vec B_0}\) is perpendicular to the plane of the loop. The magnetic force acting on the loop is

362741 A current of \(2\,A\) enters at the corner \({d}\) of a square frame \({a b c d}\) of side \(20\,cm\) and leaves at the opposite corner \({b}\). A magnetic field \({B=0.1 {~T}}\) exists in the space in a direction perpendicular to the plane of the frame as shown in the figure.

The magnitude of the magnetic forces on the four sides of the frame is \(x \times {10^{ - 2}}N.\) Find the value of \(x\) is

362737 A wire \(P Q R\) is bent as shown in figure and is placed in in a region of uniform magnetic field \(B\).                                                                                                                                                     The length of \(PQ = QR = l\) A Current \(I\) ampere flows through the wire shown. The magnitude of the force on \(PQ\) will be

362738 A wire \(PQ\) of mass 10\(g\) is at rest on two parallel metal rails. The separation between the rails is 4.9\(cm\). A magnetic field of 0.80 tesla is applied perpendicular to the plane of the rails. The resistance of the circuit is slowly decreases. When the resistance decreases to below \(20 \Omega\), the wire \(PQ\) begins to slide on the rails. Calculate the coefficient of friction between the wire and the rails.

362739 In the given figure, force on wire \({A B C}\) will be \({(B=2 T)}\)

362740 A conducting circular loop of radius \(r\) carries a constant current \(i\). It is placed in a uniform magnetic field \({\vec B_0}\) such that \({\vec B_0}\) is perpendicular to the plane of the loop. The magnetic force acting on the loop is

362741 A current of \(2\,A\) enters at the corner \({d}\) of a square frame \({a b c d}\) of side \(20\,cm\) and leaves at the opposite corner \({b}\). A magnetic field \({B=0.1 {~T}}\) exists in the space in a direction perpendicular to the plane of the frame as shown in the figure.

The magnitude of the magnetic forces on the four sides of the frame is \(x \times {10^{ - 2}}N.\) Find the value of \(x\) is

362737 A wire \(P Q R\) is bent as shown in figure and is placed in in a region of uniform magnetic field \(B\).                                                                                                                                                     The length of \(PQ = QR = l\) A Current \(I\) ampere flows through the wire shown. The magnitude of the force on \(PQ\) will be

362738 A wire \(PQ\) of mass 10\(g\) is at rest on two parallel metal rails. The separation between the rails is 4.9\(cm\). A magnetic field of 0.80 tesla is applied perpendicular to the plane of the rails. The resistance of the circuit is slowly decreases. When the resistance decreases to below \(20 \Omega\), the wire \(PQ\) begins to slide on the rails. Calculate the coefficient of friction between the wire and the rails.

362739 In the given figure, force on wire \({A B C}\) will be \({(B=2 T)}\)

362740 A conducting circular loop of radius \(r\) carries a constant current \(i\). It is placed in a uniform magnetic field \({\vec B_0}\) such that \({\vec B_0}\) is perpendicular to the plane of the loop. The magnetic force acting on the loop is

362741 A current of \(2\,A\) enters at the corner \({d}\) of a square frame \({a b c d}\) of side \(20\,cm\) and leaves at the opposite corner \({b}\). A magnetic field \({B=0.1 {~T}}\) exists in the space in a direction perpendicular to the plane of the frame as shown in the figure.

The magnitude of the magnetic forces on the four sides of the frame is \(x \times {10^{ - 2}}N.\) Find the value of \(x\) is

362737 A wire \(P Q R\) is bent as shown in figure and is placed in in a region of uniform magnetic field \(B\).                                                                                                                                                     The length of \(PQ = QR = l\) A Current \(I\) ampere flows through the wire shown. The magnitude of the force on \(PQ\) will be

362738 A wire \(PQ\) of mass 10\(g\) is at rest on two parallel metal rails. The separation between the rails is 4.9\(cm\). A magnetic field of 0.80 tesla is applied perpendicular to the plane of the rails. The resistance of the circuit is slowly decreases. When the resistance decreases to below \(20 \Omega\), the wire \(PQ\) begins to slide on the rails. Calculate the coefficient of friction between the wire and the rails.

362739 In the given figure, force on wire \({A B C}\) will be \({(B=2 T)}\)

362740 A conducting circular loop of radius \(r\) carries a constant current \(i\). It is placed in a uniform magnetic field \({\vec B_0}\) such that \({\vec B_0}\) is perpendicular to the plane of the loop. The magnetic force acting on the loop is

362741 A current of \(2\,A\) enters at the corner \({d}\) of a square frame \({a b c d}\) of side \(20\,cm\) and leaves at the opposite corner \({b}\). A magnetic field \({B=0.1 {~T}}\) exists in the space in a direction perpendicular to the plane of the frame as shown in the figure.

The magnitude of the magnetic forces on the four sides of the frame is \(x \times {10^{ - 2}}N.\) Find the value of \(x\) is

362737 A wire \(P Q R\) is bent as shown in figure and is placed in in a region of uniform magnetic field \(B\).                                                                                                                                                     The length of \(PQ = QR = l\) A Current \(I\) ampere flows through the wire shown. The magnitude of the force on \(PQ\) will be

362738 A wire \(PQ\) of mass 10\(g\) is at rest on two parallel metal rails. The separation between the rails is 4.9\(cm\). A magnetic field of 0.80 tesla is applied perpendicular to the plane of the rails. The resistance of the circuit is slowly decreases. When the resistance decreases to below \(20 \Omega\), the wire \(PQ\) begins to slide on the rails. Calculate the coefficient of friction between the wire and the rails.

362739 In the given figure, force on wire \({A B C}\) will be \({(B=2 T)}\)

362740 A conducting circular loop of radius \(r\) carries a constant current \(i\). It is placed in a uniform magnetic field \({\vec B_0}\) such that \({\vec B_0}\) is perpendicular to the plane of the loop. The magnetic force acting on the loop is

362741 A current of \(2\,A\) enters at the corner \({d}\) of a square frame \({a b c d}\) of side \(20\,cm\) and leaves at the opposite corner \({b}\). A magnetic field \({B=0.1 {~T}}\) exists in the space in a direction perpendicular to the plane of the frame as shown in the figure.

The magnitude of the magnetic forces on the four sides of the frame is \(x \times {10^{ - 2}}N.\) Find the value of \(x\) is