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Ashok0210

Asked: March 4, 2021In: Class 12 Physics

Suppose the loop in Exercise 6.4 is stationary but the current feeding the electromagnet that produces the magnetic field is gradually reduced so that the field decreases from its initial value of 0.3 T at the rate of 0.02 T s⁻¹. If the cut is joined and the loop has a resistance of 1.6Ω how much power is dissipated by the loop as heat? What is the source of this power?

Class 12 Physics CBSE and UP Board Electromagnetic Induction Chapter-6 Exercise 6.11 Additional Exercise NCERT Solutions for Class 12 Physics Chapter 6 Question 11

Ashok0210

Asked: March 4, 2021In: Class 12 Physics

A square loop of side 12 cm with its sides parallel to X and Y axes is moved with a velocity of 8 cm s⁻¹ in the positive x-direction in an environment containing a magnetic field in the positive z-direction. The field is neither uniform in space nor constant in time. It has a gradient of 10⁻³T cm⁻¹ along the negative x-direction (that is it increases by 10⁻³T cm⁻¹ as one moves in the negative x-direction), and it is decreasing in time at the rate of 10⁻³T s⁻¹. Determine the direction and magnitude of the induced current in the loop if its resistance is 4.50 mΩ..

Class 12 Physics CBSE and UP Board Electromagnetic Induction Chapter-6 Exercise 6.12 Additional Exercise NCERT Solutions for Class 12 Physics Chapter 6 Question 12

Ashok0210

Asked: March 4, 2021In: Class 12 Physics

A jet plane is travelling towards west at a speed of 1800 km/h. What is the voltage difference developed between the ends of the wing having a span of 25 m, if the Earth’s magnetic field at the location has a magnitude of 5 x 10⁻⁴ T and the dip angle is 30°.

Class 12 Physics CBSE and UP Board Electromagnetic Induction Chapter-6 Exercise 6.10 NCERT Solutions for Class 12 Physics Chapter 6 Question 10

Ashok0210

Asked: March 4, 2021In: Class 12 Physics

A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0 to 20 A in 0.5 s, what is the change of flux linkage with the other coil?

Class 12 Physics CBSE and UP Board Electromagnetic Induction Chapter-6 Exercise 6.9 NCERT Solutions for Class 12 Physics Chapter 6 Question 9

Ashok0210

Asked: March 4, 2021In: Class 12 Physics

Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced, give an estimate of the self-inductance of the circuit

Class 12 Physics CBSE and UP Board Electromagnetic Induction Chapter-6 Exercise 6.8 NCERT Solutions for Class 12 Physics Chapter 6 Question 8

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Vanishree

A jet plane is travelling towards west at a speed of 1800 km/h. What is the voltage difference developed between the ends of the wing having a span of 25 m, if the Earth’s magnetic field at the location has a magnitude of 5 x 10⁻⁴ T and the dip angle is 30°.

A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0 to 20 A in 0.5 s, what is the change of flux linkage with the other coil?

Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced, give an estimate of the self-inductance of the circuit

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