00. Magnetic Flux, Faraday's Law
Electro Magnetic Induction

154574 Figure represents an area $A=0.5 \mathrm{~m}^{2}$ situated in a uniform magnetic field

$B=2.0 \mathrm{Weber} / \mathrm{m}^{2}$ and making an angle of $60^{\circ}$ with respect to magnetic field. The value of the magnetic flux through the area would be equal to

1 2.0 Weber
2 $\sqrt{3}$ Weber
3 $\sqrt{3} / 2$ Weber
4 0.5 Weber
Electro Magnetic Induction

154575 A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field.
The ring enters the region of magnetic field at $t$ $=0$ and completely emerges out at $t=T$ sec. The current in the ring varies as

1 a
2 b
3 c
4 d
Electro Magnetic Induction

154576 A conducting ring of radius 1 meter is placed in an uniform magnetic field $B$ of 0.01 tesla oscillating with frequency $100 \mathrm{~Hz}$ with its plane at right angle to $B$. What will be the induced electric field?

1 $\pi$ volt $/ \mathrm{m}$
2 2 volt $/ \mathrm{m}$
3 10 volt $/ \mathrm{m}$
4 $62 \mathrm{volt} / \mathrm{m}$
Electro Magnetic Induction

154577 A coil of copper having 1000 turns is placed in a magnetic field $\left(B=4 \times 10^{-5}\right)$ perpendicular to its axis. The cross sectional area of the coil is $0.05 \mathrm{~m}^{2}$. If it turns through $180^{\circ}$ in 0.01 second, then the e.m.f induced in the coil will be.

1 $4 \mathrm{~V}$
2 $0.04 \mathrm{~V}$
3 $0.4 \mathrm{~V}$
4 $0.2 \mathrm{~V}$
Electro Magnetic Induction

154578 A coil of area $5 \mathrm{~cm}^{2}$ having 20 turns is placed in a uniform magnetic field of $10^{3}$ gauss. The normal to the plane of coil makes an angle $30^{\circ}$ with the magnetic field. The flux through the coil is

1 $6.67 \times 10^{-4} \mathrm{~Wb}$
2 $3.2 \times 10^{-5} \mathrm{~Wb}$
3 $5.9 \times 10^{-4} \mathrm{~Wb}$
4 $8.65 \times 10^{-4} \mathrm{~Wb}$
Electro Magnetic Induction

154574 Figure represents an area $A=0.5 \mathrm{~m}^{2}$ situated in a uniform magnetic field

$B=2.0 \mathrm{Weber} / \mathrm{m}^{2}$ and making an angle of $60^{\circ}$ with respect to magnetic field. The value of the magnetic flux through the area would be equal to

1 2.0 Weber
2 $\sqrt{3}$ Weber
3 $\sqrt{3} / 2$ Weber
4 0.5 Weber
Electro Magnetic Induction

154575 A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field.
The ring enters the region of magnetic field at $t$ $=0$ and completely emerges out at $t=T$ sec. The current in the ring varies as

1 a
2 b
3 c
4 d
Electro Magnetic Induction

154576 A conducting ring of radius 1 meter is placed in an uniform magnetic field $B$ of 0.01 tesla oscillating with frequency $100 \mathrm{~Hz}$ with its plane at right angle to $B$. What will be the induced electric field?

1 $\pi$ volt $/ \mathrm{m}$
2 2 volt $/ \mathrm{m}$
3 10 volt $/ \mathrm{m}$
4 $62 \mathrm{volt} / \mathrm{m}$
Electro Magnetic Induction

154577 A coil of copper having 1000 turns is placed in a magnetic field $\left(B=4 \times 10^{-5}\right)$ perpendicular to its axis. The cross sectional area of the coil is $0.05 \mathrm{~m}^{2}$. If it turns through $180^{\circ}$ in 0.01 second, then the e.m.f induced in the coil will be.

1 $4 \mathrm{~V}$
2 $0.04 \mathrm{~V}$
3 $0.4 \mathrm{~V}$
4 $0.2 \mathrm{~V}$
Electro Magnetic Induction

154578 A coil of area $5 \mathrm{~cm}^{2}$ having 20 turns is placed in a uniform magnetic field of $10^{3}$ gauss. The normal to the plane of coil makes an angle $30^{\circ}$ with the magnetic field. The flux through the coil is

1 $6.67 \times 10^{-4} \mathrm{~Wb}$
2 $3.2 \times 10^{-5} \mathrm{~Wb}$
3 $5.9 \times 10^{-4} \mathrm{~Wb}$
4 $8.65 \times 10^{-4} \mathrm{~Wb}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Electro Magnetic Induction

154574 Figure represents an area $A=0.5 \mathrm{~m}^{2}$ situated in a uniform magnetic field

$B=2.0 \mathrm{Weber} / \mathrm{m}^{2}$ and making an angle of $60^{\circ}$ with respect to magnetic field. The value of the magnetic flux through the area would be equal to

1 2.0 Weber
2 $\sqrt{3}$ Weber
3 $\sqrt{3} / 2$ Weber
4 0.5 Weber
Electro Magnetic Induction

154575 A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field.
The ring enters the region of magnetic field at $t$ $=0$ and completely emerges out at $t=T$ sec. The current in the ring varies as

1 a
2 b
3 c
4 d
Electro Magnetic Induction

154576 A conducting ring of radius 1 meter is placed in an uniform magnetic field $B$ of 0.01 tesla oscillating with frequency $100 \mathrm{~Hz}$ with its plane at right angle to $B$. What will be the induced electric field?

1 $\pi$ volt $/ \mathrm{m}$
2 2 volt $/ \mathrm{m}$
3 10 volt $/ \mathrm{m}$
4 $62 \mathrm{volt} / \mathrm{m}$
Electro Magnetic Induction

154577 A coil of copper having 1000 turns is placed in a magnetic field $\left(B=4 \times 10^{-5}\right)$ perpendicular to its axis. The cross sectional area of the coil is $0.05 \mathrm{~m}^{2}$. If it turns through $180^{\circ}$ in 0.01 second, then the e.m.f induced in the coil will be.

1 $4 \mathrm{~V}$
2 $0.04 \mathrm{~V}$
3 $0.4 \mathrm{~V}$
4 $0.2 \mathrm{~V}$
Electro Magnetic Induction

154578 A coil of area $5 \mathrm{~cm}^{2}$ having 20 turns is placed in a uniform magnetic field of $10^{3}$ gauss. The normal to the plane of coil makes an angle $30^{\circ}$ with the magnetic field. The flux through the coil is

1 $6.67 \times 10^{-4} \mathrm{~Wb}$
2 $3.2 \times 10^{-5} \mathrm{~Wb}$
3 $5.9 \times 10^{-4} \mathrm{~Wb}$
4 $8.65 \times 10^{-4} \mathrm{~Wb}$
Electro Magnetic Induction

154574 Figure represents an area $A=0.5 \mathrm{~m}^{2}$ situated in a uniform magnetic field

$B=2.0 \mathrm{Weber} / \mathrm{m}^{2}$ and making an angle of $60^{\circ}$ with respect to magnetic field. The value of the magnetic flux through the area would be equal to

1 2.0 Weber
2 $\sqrt{3}$ Weber
3 $\sqrt{3} / 2$ Weber
4 0.5 Weber
Electro Magnetic Induction

154575 A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field.
The ring enters the region of magnetic field at $t$ $=0$ and completely emerges out at $t=T$ sec. The current in the ring varies as

1 a
2 b
3 c
4 d
Electro Magnetic Induction

154576 A conducting ring of radius 1 meter is placed in an uniform magnetic field $B$ of 0.01 tesla oscillating with frequency $100 \mathrm{~Hz}$ with its plane at right angle to $B$. What will be the induced electric field?

1 $\pi$ volt $/ \mathrm{m}$
2 2 volt $/ \mathrm{m}$
3 10 volt $/ \mathrm{m}$
4 $62 \mathrm{volt} / \mathrm{m}$
Electro Magnetic Induction

154577 A coil of copper having 1000 turns is placed in a magnetic field $\left(B=4 \times 10^{-5}\right)$ perpendicular to its axis. The cross sectional area of the coil is $0.05 \mathrm{~m}^{2}$. If it turns through $180^{\circ}$ in 0.01 second, then the e.m.f induced in the coil will be.

1 $4 \mathrm{~V}$
2 $0.04 \mathrm{~V}$
3 $0.4 \mathrm{~V}$
4 $0.2 \mathrm{~V}$
Electro Magnetic Induction

154578 A coil of area $5 \mathrm{~cm}^{2}$ having 20 turns is placed in a uniform magnetic field of $10^{3}$ gauss. The normal to the plane of coil makes an angle $30^{\circ}$ with the magnetic field. The flux through the coil is

1 $6.67 \times 10^{-4} \mathrm{~Wb}$
2 $3.2 \times 10^{-5} \mathrm{~Wb}$
3 $5.9 \times 10^{-4} \mathrm{~Wb}$
4 $8.65 \times 10^{-4} \mathrm{~Wb}$
Electro Magnetic Induction

154574 Figure represents an area $A=0.5 \mathrm{~m}^{2}$ situated in a uniform magnetic field

$B=2.0 \mathrm{Weber} / \mathrm{m}^{2}$ and making an angle of $60^{\circ}$ with respect to magnetic field. The value of the magnetic flux through the area would be equal to

1 2.0 Weber
2 $\sqrt{3}$ Weber
3 $\sqrt{3} / 2$ Weber
4 0.5 Weber
Electro Magnetic Induction

154575 A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field.
The ring enters the region of magnetic field at $t$ $=0$ and completely emerges out at $t=T$ sec. The current in the ring varies as

1 a
2 b
3 c
4 d
Electro Magnetic Induction

154576 A conducting ring of radius 1 meter is placed in an uniform magnetic field $B$ of 0.01 tesla oscillating with frequency $100 \mathrm{~Hz}$ with its plane at right angle to $B$. What will be the induced electric field?

1 $\pi$ volt $/ \mathrm{m}$
2 2 volt $/ \mathrm{m}$
3 10 volt $/ \mathrm{m}$
4 $62 \mathrm{volt} / \mathrm{m}$
Electro Magnetic Induction

154577 A coil of copper having 1000 turns is placed in a magnetic field $\left(B=4 \times 10^{-5}\right)$ perpendicular to its axis. The cross sectional area of the coil is $0.05 \mathrm{~m}^{2}$. If it turns through $180^{\circ}$ in 0.01 second, then the e.m.f induced in the coil will be.

1 $4 \mathrm{~V}$
2 $0.04 \mathrm{~V}$
3 $0.4 \mathrm{~V}$
4 $0.2 \mathrm{~V}$
Electro Magnetic Induction

154578 A coil of area $5 \mathrm{~cm}^{2}$ having 20 turns is placed in a uniform magnetic field of $10^{3}$ gauss. The normal to the plane of coil makes an angle $30^{\circ}$ with the magnetic field. The flux through the coil is

1 $6.67 \times 10^{-4} \mathrm{~Wb}$
2 $3.2 \times 10^{-5} \mathrm{~Wb}$
3 $5.9 \times 10^{-4} \mathrm{~Wb}$
4 $8.65 \times 10^{-4} \mathrm{~Wb}$