The Experiments of Faraday and Henry
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PHXII06:ELECTROMAGNETIC INDUCTION

358607 A rectangular coil is held horizontally and a magnet is allowed to fall vertically through it. The acceleration of the magnet while passing through the coil is :

1 equal to \({g}\)
2 less than \({g}\)
3 more than \({g}\)
4 sometimes less and sometimes more than \({g}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358608 A ring rotates with angular velocity \(\omega\) about an axis in the plane of the ring and which passes through the center of the ring. A constant magnetic field \(B\) exists perpendicular to the plane of the ring. Find the emf induced in the ring as a function of time.

1 \(B A \sin \omega t\)
2 \(B A \omega \sin \omega t\)
3 \(B A \omega N \sin \omega t\)
4 \(\dfrac{B A \omega \sin \omega t}{\sqrt{2}}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358609 An elasticized conducting band is around a spherical balloon. Its plane passes through the centre of the balloon. A uniform magnetic field of magnitude \(0.04\,\;T\) is directed perpendicular to the plane of the band. Air is let out of the balloon at \(100\;\,c{m^3}/s\) at an instant when the radius of the balloon is \(6\;\,cm\). What is the induced emf in the band?
supporting img

1 \(333\,\mu V\)
2 \(236\,\mu V\)
3 \(186\,\mu V\)
4 \(276\,\mu V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358610 Faraday's laws are consequence of conservation of

1 Charge
2 Energy and magnetic field
3 Energy
4 Magnetic field
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PHXII06:ELECTROMAGNETIC INDUCTION

358607 A rectangular coil is held horizontally and a magnet is allowed to fall vertically through it. The acceleration of the magnet while passing through the coil is :

1 equal to \({g}\)
2 less than \({g}\)
3 more than \({g}\)
4 sometimes less and sometimes more than \({g}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358608 A ring rotates with angular velocity \(\omega\) about an axis in the plane of the ring and which passes through the center of the ring. A constant magnetic field \(B\) exists perpendicular to the plane of the ring. Find the emf induced in the ring as a function of time.

1 \(B A \sin \omega t\)
2 \(B A \omega \sin \omega t\)
3 \(B A \omega N \sin \omega t\)
4 \(\dfrac{B A \omega \sin \omega t}{\sqrt{2}}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358609 An elasticized conducting band is around a spherical balloon. Its plane passes through the centre of the balloon. A uniform magnetic field of magnitude \(0.04\,\;T\) is directed perpendicular to the plane of the band. Air is let out of the balloon at \(100\;\,c{m^3}/s\) at an instant when the radius of the balloon is \(6\;\,cm\). What is the induced emf in the band?
supporting img

1 \(333\,\mu V\)
2 \(236\,\mu V\)
3 \(186\,\mu V\)
4 \(276\,\mu V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358610 Faraday's laws are consequence of conservation of

1 Charge
2 Energy and magnetic field
3 Energy
4 Magnetic field
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PHXII06:ELECTROMAGNETIC INDUCTION

358607 A rectangular coil is held horizontally and a magnet is allowed to fall vertically through it. The acceleration of the magnet while passing through the coil is :

1 equal to \({g}\)
2 less than \({g}\)
3 more than \({g}\)
4 sometimes less and sometimes more than \({g}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358608 A ring rotates with angular velocity \(\omega\) about an axis in the plane of the ring and which passes through the center of the ring. A constant magnetic field \(B\) exists perpendicular to the plane of the ring. Find the emf induced in the ring as a function of time.

1 \(B A \sin \omega t\)
2 \(B A \omega \sin \omega t\)
3 \(B A \omega N \sin \omega t\)
4 \(\dfrac{B A \omega \sin \omega t}{\sqrt{2}}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358609 An elasticized conducting band is around a spherical balloon. Its plane passes through the centre of the balloon. A uniform magnetic field of magnitude \(0.04\,\;T\) is directed perpendicular to the plane of the band. Air is let out of the balloon at \(100\;\,c{m^3}/s\) at an instant when the radius of the balloon is \(6\;\,cm\). What is the induced emf in the band?
supporting img

1 \(333\,\mu V\)
2 \(236\,\mu V\)
3 \(186\,\mu V\)
4 \(276\,\mu V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358610 Faraday's laws are consequence of conservation of

1 Charge
2 Energy and magnetic field
3 Energy
4 Magnetic field
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PHXII06:ELECTROMAGNETIC INDUCTION

358607 A rectangular coil is held horizontally and a magnet is allowed to fall vertically through it. The acceleration of the magnet while passing through the coil is :

1 equal to \({g}\)
2 less than \({g}\)
3 more than \({g}\)
4 sometimes less and sometimes more than \({g}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358608 A ring rotates with angular velocity \(\omega\) about an axis in the plane of the ring and which passes through the center of the ring. A constant magnetic field \(B\) exists perpendicular to the plane of the ring. Find the emf induced in the ring as a function of time.

1 \(B A \sin \omega t\)
2 \(B A \omega \sin \omega t\)
3 \(B A \omega N \sin \omega t\)
4 \(\dfrac{B A \omega \sin \omega t}{\sqrt{2}}\)
PHXII06:ELECTROMAGNETIC INDUCTION

358609 An elasticized conducting band is around a spherical balloon. Its plane passes through the centre of the balloon. A uniform magnetic field of magnitude \(0.04\,\;T\) is directed perpendicular to the plane of the band. Air is let out of the balloon at \(100\;\,c{m^3}/s\) at an instant when the radius of the balloon is \(6\;\,cm\). What is the induced emf in the band?
supporting img

1 \(333\,\mu V\)
2 \(236\,\mu V\)
3 \(186\,\mu V\)
4 \(276\,\mu V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358610 Faraday's laws are consequence of conservation of

1 Charge
2 Energy and magnetic field
3 Energy
4 Magnetic field
For More Updates join with Us