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NEET - Grade 12 - Physics - Moving Charges and Magnetism - Introduction and Snapshot of Moving Charges and Magnetism - Study ref# 815

Introduction: Both Electrically and Magnetism have been known for more than 2000 years. However, it was only about 200 years ago, in 1820, that it was realized that they were intimately related. During a lecture demonstration in the su... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Introduction and Snapshot of Moving Charges and Magnetism - Study ref# 816

Following section must be covered to understand the Moving Charges and Magnetism: 1. Introduction 2. Magnetic Force 3. Motion in a Magnetic Field 4. Motion in Combined Electric and Magnetic Fields 5. Magnetic Field due to a Cu... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Target Setup for Moving Charges and Magnetism - Study ref# 817

Student requires to achieve the following milestones to get better grip over Moving Charges and Magnetism. The milestones / targets are as follows: Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Ch... read more

NEET - Grade 12 - Physics - Electromagnetic Induction - Introduction and Snapshot of Electromagnetic Induction - Study ref# 821

Introduction: Electricity and magnetism were considered separate and unrelated phenomena for a long time. In the early decades of the nineteenth century, experiments on electric current by Oersted, Ampere and a few others established t... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10507

A long straight wire carries a current of 35A. What is the magnitude of the field B at a point 20 cm away from the wire? Hints – Use the formula for magnetic field produced by a current carrying infinite long wire. Here the length of t... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10508

A long straight wire in the horizontal plane carries a current of 50A in north to south direction. Give the magnitude and direction of B at a point 2.5 m east of the wire. Hints- As the length of wire is not mentioned in the question, so ... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10509

A 3.0 cm wire carrying a current of 10A is placed inside a solenoid perpendicular to its axis. The magnitude field inside the solenoid is given to be 0.27T. What is the magnetic force on the wire? Answer: Here, the angle between the magnetic ... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10510

A closely wound solenoid 80cm long has 5 layers of winding of 400 turns each. The diameter of the solenoid is 1.8 cm. If the current carried is 8.0A, estimate the magnitude of B inside the solenoid near its center. Answer: The length of sole... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10511

Two concentric circular coils  and  of radii 16 cm and 10cm, respectively lie in the same vertical plane containing the north to south direction. Coil  has 20 turns and carries a current of 16 A.; coil y has 25 turns and carri... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10512

An electron emitted by a heated cathode and accelerated through a potential difference of 2.0 kV, enters a region with uniform magnetic field of 0.15T. Determine the trajectory of the electron, if the field (a) is transverse to its initial v... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10513

A circular coil 20 turns and radius 10 cm is placed in a uniform magnetic field of 0.10 T normal to the plane of the coil. If the current in the coil is 5.0 A, what is the (a) total torque on the coil, (b) total force on the coil, (c) averag... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10514

Show that a force that does no work must be a velocity dependent force. Answer: As we know that work dW = F.dl (  )                                         According to question dW = 0,  ∴                                   Her... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10515

A long straight wire carrying current of 25A rests on a table shown in figure. Another wire PQ of length 1m, mass 2.5 g carries the same current but in the opposite direction. The wire PQ is free to slide up and down. To what height will PQ ... read more

NEET - Grade 12 - Physics - Moving Charges and Magnetism - Study ref# 10516

A uniform conducting wire of length 12a and resistance R is wound up as a current carrying coil in the shape of (a) an equilateral triangle of side a, (b) a square of side a and (c) a regular hexagon of sides a. The coil is connected to a vo... read more

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