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A square conducting loop is placed in the time varying magnetic field `((dB)/(dt)=+'ve constant')`.The centre of square coincides with axis of cylindrical region of magnetic field. The directions of induced electric field at point a, b and c.Consider a conducting circular loop placed in a magnetic field as shown in figure. When magnetic field changes with time, magnetic flux also changes and emf `e=-(dphi)/(dt)` is induced. If resistance of loop is R then induced current is `i=e/R`. For current, charges must have non–zero average velocity. Magnetic force cannot make the stationary charges to move. Actually there is an induced electric

edited Jul 24, 2023 in 12th Physics by varun (6.7k points)

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12th ncert physics chapter 1

asked Jul 24, 2023 in 12th Physics by varun (6.7k points)

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answered Oct 13, 2022 in 11th Physics by varun (6.7k points)

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asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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State Newton's 2nd law of motion. write it's mathematical form.

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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What is change in the momentum called? What is its SI unit? Is it a vector quantity?

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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Which object has a larger momentum?

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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What is momentum? Its SI unit. Is it a scalar or a vector quantity?

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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State Newton's first law of motion.

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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Is force required to keep a body in motion?

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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What is law of inertia? What are its types?

asked Sep 8, 2022 in 11th Physics by varun (6.7k points)

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Syllabus for chapter-2 cbse 2020-22 Chapter–4: Moving Charges and Magnetism

asked Sep 3, 2022 in 12th Physics by varun (6.7k points)

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Syllabus for chapter-2 cbse 2020-22 Unit II: Current Electricity 18 Periods Chapter–3: Current Electricity

asked Sep 3, 2022 in 12th Physics by varun (6.7k points)

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Syllabus for chapter-2 cbse 2020-22 Electric potential and Capacitance

asked Sep 3, 2022 in 12th Physics by varun (6.7k points)

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asked Sep 3, 2022 in 11th Physics by varun (6.7k points)

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Assertion: Electric force and magnetic force are jointly called electrom agnetic force. Reason: Electric and magnetic effects are

edited Jun 8, 2022 in 11th Physics by varun (6.7k points)

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A particle is in linear simple harmonic motion between two points, A and B, 10 cm apart. Take the direction from A to B as the positive direction and give the signs of velocity, acceleration and force on the particle when it is (a) at the end A, (b) at the end B, (c) at the mid-point of AB going towards A, (d) at 2 cm away from B going towards A, (e) at 3 cm away from A going towards B, and (f) at 4 cm away from B going towards

edited May 31, 2022 in 11th Physics by varun (6.7k points)

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A charged rod is brought near a negatively charged pith ball electroscope. What conclusion would you draw about the charge on the rod if pith ball moves away from the rod ?

edited Mar 22, 2022 in 12th Physics by varun (6.7k points)

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Define dielectric constant of a medium. What is its S.I. unit?

edited Mar 22, 2022 in 12th Physics by varun (6.7k points)

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