Two coaxial solenoids of different radii carry current I in the same direction. Let F 1 → be the magnetic force on the inner solenoid due to the outer one and F 2 → be the magnetic force on the outer solenoid due to the inner one. Then:

F 1 → is radially outwards and F 2 → = 0

F 1 → is radially inwards and F 2 → is radially outwards

F 1 → is radially inwards and F 2 → = 0

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If a positively charged particle is moving as shown in the figure, then it will get deflected due to magnetic field towards

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Important Questions on Magnetic Effect of Current

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 67

Which of the following particles will experience a maximum magnetic force (magnitude) when projected with the same velocity perpendicular to a magnetic field?

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 68

An electric current

i

enters and leaves a uniform circular wire of radius

a

through diametrically opposite points. A charged particle

q

moving along the axis of the circular wire passes through its centre at speed

v

. The magnetic force acting on the particle when it passes through the centre has a magnitude

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 69

A charged particle is moved along a magnetic field line. The magnetic force on the particle is

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 70

Two particles

X

and

Y

having equal charges, after being accelerated through the same potential difference enter a region of uniform magnetic field and describes circular paths of radii

r_{1}

and

r_{2}

respectively. The ratio of the mass of

X

and

Y

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 71

A negative charged particle falling freely under gravity enters a region having uniform horizontal magnetic field pointing towards north. The particle will be deflected towards

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 72

A proton of mass

m

and charge

q

enters a magnetic field

B

with a velocity

v

at an angle

θ

with the direction of

B

. The radius of curvature of the resulting path is

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 73

Two particles $A$ and $B$ of masses $m_{A}$ and $m_{B}$ , respectively and having the same charge are moving in a plane. A uniform magnetic field exists perpendicular to this plane. The speeds of the particles are $v_{A}$ and $v_{B}$ , respectively and the trajectories are as shown in the figure. Then

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Alpha Question Bank for Medical: Physics>Chapter 25 - Magnetic Effect of Current>Exercise-1>Q 74

A charged particle is released from rest in a region of steady and uniform electric and magnetic fields which are parallel to each other. The particle will move in a

If a positively charged particle is moving as shown in the figure, then it will get deflected due to magnetic field towards

Important Questions on Magnetic Effect of Current

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