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

154510 A conducting square loop of side $L$ and resistance $\mathbf{R}$ moves in its plane with a uniform velocity $v$ perpendicular to one of its side. A magnetic induction $B$ constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere

The current induced in the loop is

1 $\frac{B \ell v}{R}$ clockwise
2 $\frac{\mathrm{B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
3 $\frac{2 \mathrm{~B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
4 Zero
Electro Magnetic Induction

154511 What determines the charge that flows through a circuit due to the induced
{OR}
The total charge, induced in a conducting loop when it is moved in magnetic field depends on

1 The total change of magnetic flux
2 The rate of change in magnetic flux and resistance
3 The initial magnetic flux
4 The final magnetic flux
Electro Magnetic Induction

154513 A magnetic field of $1 \mathrm{~T}$ applied at an angle $\pi / 3$ to the vertical direction is decreased to zero at a steady rate in one second. The magnitude of induced emf in a horizontally placed circular loop of radius $5 \mathrm{~cm}$ is given by

1 $1.25 \sqrt{3} \pi \mathrm{mV}$
2 $12.5 \sqrt{3} \pi \mathrm{V}$
3 $1.25 \pi \mathrm{mV}$
4 $1.25 \pi \mathrm{V}$
5 $25 \pi \mathrm{V}$
Electro Magnetic Induction

154505 Two coils of wire $A$ and $B$ are placed mutually perpendicular as shown. When current is changed in any one coil.

1 no current will be induced in another coil.
2 magnetic field will be perpendicular to plane of another coil.
3 magnetic flux linked with another coil is maximum.
4 current induced in another coil is maximum.
Electro Magnetic Induction

154510 A conducting square loop of side $L$ and resistance $\mathbf{R}$ moves in its plane with a uniform velocity $v$ perpendicular to one of its side. A magnetic induction $B$ constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere

The current induced in the loop is

1 $\frac{B \ell v}{R}$ clockwise
2 $\frac{\mathrm{B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
3 $\frac{2 \mathrm{~B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
4 Zero
Electro Magnetic Induction

154511 What determines the charge that flows through a circuit due to the induced
{OR}
The total charge, induced in a conducting loop when it is moved in magnetic field depends on

1 The total change of magnetic flux
2 The rate of change in magnetic flux and resistance
3 The initial magnetic flux
4 The final magnetic flux
Electro Magnetic Induction

154513 A magnetic field of $1 \mathrm{~T}$ applied at an angle $\pi / 3$ to the vertical direction is decreased to zero at a steady rate in one second. The magnitude of induced emf in a horizontally placed circular loop of radius $5 \mathrm{~cm}$ is given by

1 $1.25 \sqrt{3} \pi \mathrm{mV}$
2 $12.5 \sqrt{3} \pi \mathrm{V}$
3 $1.25 \pi \mathrm{mV}$
4 $1.25 \pi \mathrm{V}$
5 $25 \pi \mathrm{V}$
Electro Magnetic Induction

154505 Two coils of wire $A$ and $B$ are placed mutually perpendicular as shown. When current is changed in any one coil.

1 no current will be induced in another coil.
2 magnetic field will be perpendicular to plane of another coil.
3 magnetic flux linked with another coil is maximum.
4 current induced in another coil is maximum.
Electro Magnetic Induction

154510 A conducting square loop of side $L$ and resistance $\mathbf{R}$ moves in its plane with a uniform velocity $v$ perpendicular to one of its side. A magnetic induction $B$ constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere

The current induced in the loop is

1 $\frac{B \ell v}{R}$ clockwise
2 $\frac{\mathrm{B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
3 $\frac{2 \mathrm{~B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
4 Zero
Electro Magnetic Induction

154511 What determines the charge that flows through a circuit due to the induced
{OR}
The total charge, induced in a conducting loop when it is moved in magnetic field depends on

1 The total change of magnetic flux
2 The rate of change in magnetic flux and resistance
3 The initial magnetic flux
4 The final magnetic flux
Electro Magnetic Induction

154513 A magnetic field of $1 \mathrm{~T}$ applied at an angle $\pi / 3$ to the vertical direction is decreased to zero at a steady rate in one second. The magnitude of induced emf in a horizontally placed circular loop of radius $5 \mathrm{~cm}$ is given by

1 $1.25 \sqrt{3} \pi \mathrm{mV}$
2 $12.5 \sqrt{3} \pi \mathrm{V}$
3 $1.25 \pi \mathrm{mV}$
4 $1.25 \pi \mathrm{V}$
5 $25 \pi \mathrm{V}$
Electro Magnetic Induction

154505 Two coils of wire $A$ and $B$ are placed mutually perpendicular as shown. When current is changed in any one coil.

1 no current will be induced in another coil.
2 magnetic field will be perpendicular to plane of another coil.
3 magnetic flux linked with another coil is maximum.
4 current induced in another coil is maximum.
Electro Magnetic Induction

154510 A conducting square loop of side $L$ and resistance $\mathbf{R}$ moves in its plane with a uniform velocity $v$ perpendicular to one of its side. A magnetic induction $B$ constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere

The current induced in the loop is

1 $\frac{B \ell v}{R}$ clockwise
2 $\frac{\mathrm{B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
3 $\frac{2 \mathrm{~B} \ell \mathrm{v}}{\mathrm{R}}$ anticlockwise
4 Zero
Electro Magnetic Induction

154511 What determines the charge that flows through a circuit due to the induced
{OR}
The total charge, induced in a conducting loop when it is moved in magnetic field depends on

1 The total change of magnetic flux
2 The rate of change in magnetic flux and resistance
3 The initial magnetic flux
4 The final magnetic flux
Electro Magnetic Induction

154513 A magnetic field of $1 \mathrm{~T}$ applied at an angle $\pi / 3$ to the vertical direction is decreased to zero at a steady rate in one second. The magnitude of induced emf in a horizontally placed circular loop of radius $5 \mathrm{~cm}$ is given by

1 $1.25 \sqrt{3} \pi \mathrm{mV}$
2 $12.5 \sqrt{3} \pi \mathrm{V}$
3 $1.25 \pi \mathrm{mV}$
4 $1.25 \pi \mathrm{V}$
5 $25 \pi \mathrm{V}$
Electro Magnetic Induction

154505 Two coils of wire $A$ and $B$ are placed mutually perpendicular as shown. When current is changed in any one coil.

1 no current will be induced in another coil.
2 magnetic field will be perpendicular to plane of another coil.
3 magnetic flux linked with another coil is maximum.
4 current induced in another coil is maximum.