Question

1. Describe magnetic force (F) produced due to a moving charge (q) in a magnetic field (B), with necessary formula and figures? What is torque obtained in a current loop? Problem-1: Calculate the force on a moving charge (+20 C), moving at a speed of 0.01 m/s along a magnetic field of 1 T ((? =90)? 2. Describe the working principle of electric motor with figure? Write the Difference between AC and DC motors? Problem-2: Calculate the torque produced through a current carrying (100 A) loop of size 2 cm² and 1000 number of turns, placed in a magnetic field of 0.5 T, (? =90)? 3. State Ampere's law? Derive magnetic field (B) of a long, straight wire with formula and figures? Problem-3: Calculate the magnetic field (B) at a distance 0.1 m from a long straight wire carrying current of 100 A? 4. What is magnetic field of a current loop – equation? Explain magnetic field in a solenoid? Problem-4: Calculate the current passing through a solenoid of length 5 cm (5000 turns) placed in a magnetic field of 1 T? 5. Explain Faraday's Law of Electromagnetic Induction? Define Lenz's law? Give two applications of Faraday's Law? Problem-5: Calculate induced e.m.f through a coil of 1500 loops due to flux change of 0.1 wb/sec?

          1. Describe magnetic force (F) produced due to a moving charge (q) in a magnetic field (B), with necessary formula and figures? What is torque obtained in a current loop?

Problem-1: Calculate the force on a moving charge (+20 C), moving at a speed of 0.01 m/s along a magnetic field of 1 T ((? =90)?

2. Describe the working principle of electric motor with figure? Write the Difference between AC and DC motors?

Problem-2: Calculate the torque produced through a current carrying (100 A) loop of size 2 cm² and 1000 number of turns, placed in a magnetic field of 0.5 T, (? =90)?

3. State Ampere's law? Derive magnetic field (B) of a long, straight wire with formula and figures?

Problem-3: Calculate the magnetic field (B) at a distance 0.1 m from a long straight wire carrying current of 100 A?

4. What is magnetic field of a current loop – equation? Explain magnetic field in a solenoid?

Problem-4: Calculate the current passing through a solenoid of length 5 cm (5000 turns) placed in a magnetic field of 1 T?

5. Explain Faraday's Law of Electromagnetic Induction? Define Lenz's law? Give two applications of Faraday's Law?

Problem-5: Calculate induced e.m.f through a coil of 1500 loops due to flux change of 0.1 wb/sec?

1. Describe magnetic force (F) produced due to a moving charge (q) in a magnetic field (B), with necessary formula and figures? What is torque obtained in a current loop?

Problem-1: Calculate the force on a moving charge (+20 C), moving at a speed of 0.01 m/s along a magnetic field of 1 T ((? =90)?

2. Describe the working principle of electric motor with figure? Write the Difference between AC and DC motors?

Problem-2: Calculate the torque produced through a current carrying (100 A) loop of size 2 cm² and 1000 number of turns, placed in a magnetic field of 0.5 T, (? =90)?

3. State Ampere's law? Derive magnetic field (B) of a long, straight wire with formula and figures?

Problem-3: Calculate the magnetic field (B) at a distance 0.1 m from a long straight wire carrying current of 100 A?

4. What is magnetic field of a current loop – equation? Explain magnetic field in a solenoid?

Problem-4: Calculate the current passing through a solenoid of length 5 cm (5000 turns) placed in a magnetic field of 1 T?

5. Explain Faraday's Law of Electromagnetic Induction? Define Lenz's law? Give two applications of Faraday's Law?

Problem-5: Calculate induced e.m.f through a coil of 1500 loops due to flux change of 0.1 wb/sec?

Added by Paul G.

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