A rupee coin rolling along a line will have which degree of freedom?

Q: List two (2) applications of mutual induction.

A: when there is change in current in coil , its magnetic field will changes. this change in magnetic…

Q: An electric fan continues in its motion even after the switch is put off, why?

A: Newton’s first law states that the body at rest remains at rest, or in motion, remains in motion at…

Q: Give 2 examples of friction, conduction and induction of static electricity

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Q: What should be the power of the voltage supply that we will use in the acceleration region?

A: The force experienced when the particle of charge q moves at velocity v in uniform magnetic field is…

Q: What is the direction of force on the wires below? || O Outward Into the page O Inward O Up O Down

A: The given figure represents the orientation of wire carrying current. Then, magnetic force (F) due…

Q: What happens when the rotational speed of a generator coil is increased?

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Q: In a retardation test on a dc motor, with its field normally excited, the speed fell from 1,525 rpm…

A: Given, Speed = 1525 rpm , 1475 rpm Time = 25 seconds

Q: Same situation as in the previous two problems this time the magnet s mass is 3.54 kg and the…

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Q: this pair of wires is given

A: The question is solved below

Q: Why does an electric fan continue to rotate for some time after the current is switched off?

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Q: The slip of the induction motor depends on the rotor speed of the machine.  Select one: True False

A: True

Q: What is the force effect in the body? * Electrical force Dynamic force Static force O O

A: Force effect in the body cause dynamic force

Q: Magnetic force can supply centripetal force and cause a charged particle to move in a circular path…

A: When a charged particle moving through a magnetic field, it experiences a Lorentz Force. F = qv×B…

Q: How did he get vy1 = 8.71sin8 = 1.21 m/s

A: Given data: Vy1 = 8.71sin(8°) m/s Required: The value of Vy1

Q: Why is a generator armature harder to rotate when it is connected to a circuit and supplying…

A: It is a matter of energy conservation.

Q: . Whose line is the fastest? Why?

A: 1.  Acceleration is the rate of change of velocity with respect to time. The magnitude of the…

Q: The motion of muscles in the body is due to the _____________ force.

A: The motion of muscles in the body is due to the inter-muscular interaction force.

Q: The student came up with a model that shows a loop of wire being rotated by some external force…

A: It is known that a loop is rotated by some external force and is kept between poles of a strong…

Q: Why does maglev have low friction?

A: In Maglev, the bottom of the train and the tracks have magnets. So there is magnetic repulsion…

Q: Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.

A: The generator is a device that converts the bike’s kinetic energy into the electrical energy to…

Q: . How long does it take the dryer to come up to speed?

A: The time taken by the dryer to reach its operational speed can be determined by the first kinematics…

Q: This time the magnet has mass 6.15 kg in the force pulling into the right is 114.6 N. When the…

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Q: Air resistance is a type of field force. True False

A: Air resistance is a type of field force? we have to answer the above statement whether it is correct…

Q: 8) Which of the following has the same units as the farad? A) N's (B) Ns' (C)Ns (D) Ns²

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Q: 1 Tesla (T) equals to

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Q: The unit of power is the

A: The power is the rate of energy with respect to the time

Q: Which of the following events is caused by magnetic force? O a Ob C Od A person gets a shock from a…

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Q: Same situation as in the previous two problems this time the magnet s mass is 7.20 kg and the…

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Q: Eddy, whose mass is 65-kg, climbs up the 1.6-meter high stairs in 1.2 s. Approximate Eddy's power…

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Q: Same situation as in the previous two problems this time the magnet s mass is 6.91 kg and the…

A: Given, Mass=6.91kg Magnetic force=105.6N Length of cord=1.66m Length of celling=2.91m

Q: the acceleration of the proton when it has a velocity

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Q: DATA Sor 5 -9.487 71.57 NoWar B-8.6020SofEasr EST 35.540

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Q: Same situation as in the previous two problems this time the magnet s mass is 3.71 kg and the…

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Q: Why does a motor also tend to act as a generator?

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Q: What is the principle of an electric motor?

A: An electric motor utilizes the magnetic effect of current.

Q: 35. The curr . the capa A. V3H В. 0.3Н С. 0.4Н D. (5/VE E. 5H

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Q: Same situation as in the previous two problems this time the magnet s mass is 3.94 kg and the…

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Q: what type of force is making the iron move?

A: Magnet generate magnetic field around it.which form a closed path, when an magnetic object is placed…

Q: The blades of fan continue to rotate even when the current is switched off?

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Q: A charged particle in a constant magnetic field is moving in a circle at a speed v when a passing…

A: A charged particle in a constant magnetic field is moving in a circle at a speed v.

Q: Does the magnetic force cause circular motion?

A: When a charged particle moves in a magnetic field, it experience a magnetic force. The expression…

Q: (d) m exerts a force downward on M to the left on M to the right on M O upward on M (e) -q exerts a…

A: In the given three cases, based on the type of force we will answer the questions.