358571 An air cored solenoid with length \(20\,\;cm\), area of cross section \(20\;\,c{m^2}\) and number of turns 400 carries a current \(2\;\,A.\) The current is suddenly switched off within \({10^{ - 3}}\;s\). The average back emf induced across the ends of the open switch in the circuit is (ignore the variation in magnetic field near the ends of the solenoid)

358572 A coil of \(N=50\) turns carries a current \(I = 1\;A\) and creates a magnetic flux \(\phi = {10^{ - 5}}T{m^{ - 2}}\). The value of its inductance \(L\) will be

358573 The current in a coil of inductance \(0.2\,H\) changes from \(5\;A\) to \(2\;\,A\) in \(0.5\,\sec \). The magnitude of the average induced emf in the coil is

358574 A coil of wire of a certain radius has 600 turns per unit length and a self-inductance of \(108\,mH.\) The self-inductance of a \(2^{n d}\) similar coil of 500 turns per unit length will be

358575 The number of turns, cross-sectional area, and lengths for four solenoids are given in the following table.


The solenoid with maximum self inductance is :

358571 An air cored solenoid with length \(20\,\;cm\), area of cross section \(20\;\,c{m^2}\) and number of turns 400 carries a current \(2\;\,A.\) The current is suddenly switched off within \({10^{ - 3}}\;s\). The average back emf induced across the ends of the open switch in the circuit is (ignore the variation in magnetic field near the ends of the solenoid)

358572 A coil of \(N=50\) turns carries a current \(I = 1\;A\) and creates a magnetic flux \(\phi = {10^{ - 5}}T{m^{ - 2}}\). The value of its inductance \(L\) will be

358573 The current in a coil of inductance \(0.2\,H\) changes from \(5\;A\) to \(2\;\,A\) in \(0.5\,\sec \). The magnitude of the average induced emf in the coil is

358574 A coil of wire of a certain radius has 600 turns per unit length and a self-inductance of \(108\,mH.\) The self-inductance of a \(2^{n d}\) similar coil of 500 turns per unit length will be

358575 The number of turns, cross-sectional area, and lengths for four solenoids are given in the following table.


The solenoid with maximum self inductance is :

358571 An air cored solenoid with length \(20\,\;cm\), area of cross section \(20\;\,c{m^2}\) and number of turns 400 carries a current \(2\;\,A.\) The current is suddenly switched off within \({10^{ - 3}}\;s\). The average back emf induced across the ends of the open switch in the circuit is (ignore the variation in magnetic field near the ends of the solenoid)

358572 A coil of \(N=50\) turns carries a current \(I = 1\;A\) and creates a magnetic flux \(\phi = {10^{ - 5}}T{m^{ - 2}}\). The value of its inductance \(L\) will be

358573 The current in a coil of inductance \(0.2\,H\) changes from \(5\;A\) to \(2\;\,A\) in \(0.5\,\sec \). The magnitude of the average induced emf in the coil is

358574 A coil of wire of a certain radius has 600 turns per unit length and a self-inductance of \(108\,mH.\) The self-inductance of a \(2^{n d}\) similar coil of 500 turns per unit length will be

358575 The number of turns, cross-sectional area, and lengths for four solenoids are given in the following table.


The solenoid with maximum self inductance is :

358571 An air cored solenoid with length \(20\,\;cm\), area of cross section \(20\;\,c{m^2}\) and number of turns 400 carries a current \(2\;\,A.\) The current is suddenly switched off within \({10^{ - 3}}\;s\). The average back emf induced across the ends of the open switch in the circuit is (ignore the variation in magnetic field near the ends of the solenoid)

358572 A coil of \(N=50\) turns carries a current \(I = 1\;A\) and creates a magnetic flux \(\phi = {10^{ - 5}}T{m^{ - 2}}\). The value of its inductance \(L\) will be

358573 The current in a coil of inductance \(0.2\,H\) changes from \(5\;A\) to \(2\;\,A\) in \(0.5\,\sec \). The magnitude of the average induced emf in the coil is

358574 A coil of wire of a certain radius has 600 turns per unit length and a self-inductance of \(108\,mH.\) The self-inductance of a \(2^{n d}\) similar coil of 500 turns per unit length will be

358575 The number of turns, cross-sectional area, and lengths for four solenoids are given in the following table.


The solenoid with maximum self inductance is :

358571 An air cored solenoid with length \(20\,\;cm\), area of cross section \(20\;\,c{m^2}\) and number of turns 400 carries a current \(2\;\,A.\) The current is suddenly switched off within \({10^{ - 3}}\;s\). The average back emf induced across the ends of the open switch in the circuit is (ignore the variation in magnetic field near the ends of the solenoid)

358572 A coil of \(N=50\) turns carries a current \(I = 1\;A\) and creates a magnetic flux \(\phi = {10^{ - 5}}T{m^{ - 2}}\). The value of its inductance \(L\) will be

358573 The current in a coil of inductance \(0.2\,H\) changes from \(5\;A\) to \(2\;\,A\) in \(0.5\,\sec \). The magnitude of the average induced emf in the coil is

358574 A coil of wire of a certain radius has 600 turns per unit length and a self-inductance of \(108\,mH.\) The self-inductance of a \(2^{n d}\) similar coil of 500 turns per unit length will be

358575 The number of turns, cross-sectional area, and lengths for four solenoids are given in the following table.


The solenoid with maximum self inductance is :