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Category: Class 12

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Ashok0210

Asked: February 23, 2021In: Class 12 Physics

Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direction are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A.

Class 12 Physics CBSE and UP Board Moving Charges and Magnetism Chapter-4 Exercise 4.7

Ashok0210

Asked: February 23, 2021In: Class 12 Physics

A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T. What is the magnetic force on the wire?

Class 12 Physics CBSE and UP Board Moving Charges and Magnetism Chapter-4 Exercise 4.6

Ashok0210

Asked: February 23, 2021In: Class 12 Physics

What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and making an angle of 30º with the direction of a uniform magnetic field of 0.15 T?

Class 12 Physics CBSE and UP Board Moving Charges and Magnetism Chapter-4 Exercise 4.5

Ashok0210

Asked: February 23, 2021In: Class 12 Physics

A horizontal overhead power line carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1.5 m below the line?

Class 12 Physics CBSE and UP Board Moving Charges and Magnetism Chapter-4 Exercise 4.4

Ashok0210

Asked: February 21, 2021In: Class 12 Physics

Determine the current in each branch of the network shown in Fig. 3.30:

Determine the current in each branch of the network shown in Fig. 3.30:

Class 12 Physics CBSE and UP Board Current Electricity Exercise 3 Chapter-3 Exercise 3.9 NCERT Solutions for Class 12 Physics Chapter 3

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