The magnetic field at the centre of a circular coil of radius R carrying current I B α i R and its direction is given by the right-hand thumb rule. The magnetic field at the centre of a circular arc subtending and angle θ ( in degree) is B α i R θ 360 ° and its direction can be found using the right-hand rule Consider two circular coils made of uniform conductors as shown in Figures 3 and 4. In figure 3 points C and D are diametrically opposite to each other, and in figure 4 ∠ P O 2 Q = 120 ° . Then the magnetic fields _____.

At both O 1 and O 2 are Non-zero

Is zero at O 1 but non-zero at O 2 .

Is non-zero at O 1 but zero at O 2 .

The magnetic field at the centre of a circular coil of radius R carrying current I B α i R and its direction is given by the right-hand thumb rule. The magnetic field at the centre of a circular arc subtending and angle θ ( in degree) is B α i R θ 360 ° and its direction can be found using the right-hand rule Consider two circular coils made of uniform conductors as shown in Figures 3 and 4. In figure 3 points C and D are diametrically opposite to each other, and in figure 4 ∠ P O 2 Q = 120 ° . Then the magnetic fields _____.

At both O 1 and O 2 are Non-zero

Is zero at O 1 but non-zero at O 2 .

Is non-zero at O 1 but zero at O 2 .

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 35 - Magnetic Effect of Electric Current>SAT 2020>Q 2

EASY

NTSE Stage II

IMPORTANT

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A positively charged plate and negatively charged plate are kept parallel to each other at a distance of 10 cm. An electron is release near the negative plate. Looking from the negative plate towards the positive plate, the magnetic field produced by the moving electron will be

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Important Questions on Magnetic Effect of Electric Current

MEDIUM

NTSE Stage II

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 35 - Magnetic Effect of Electric Current>SAT 2019>Q 1

The magnetic field at the centre of a circular coil of radius R carrying current I

B α \frac{i}{R}

and its direction is given by the right-hand thumb rule. The magnetic field at the centre of a circular arc subtending and angle

θ

( in degree) is

B α \frac{i}{R} (\frac{θ}{360^{°}})

and its direction can be found using the right-hand rule
Question Image

Consider two circular coils made of uniform conductors as shown in Figures 3 and 4. In figure 3 points C and D are diametrically opposite to each other, and in figure 4

∠ P O_{2} Q = 120 °

. Then the magnetic fields _____.
Question Image

EASY

NTSE Stage II

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 35 - Magnetic Effect of Electric Current>SAT 2020>Q 2

A positively charged plate and negatively charged plate are kept parallel to each other at a distance of 10 cm. An electron is release near the negative plate. Looking from the negative plate towards the positive plate, the magnetic field produced by the moving electron will be

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