Search
Question: What is the role of a commutator in a DC motor?Options: To convert AC to DCTo reverse the ..
Question: If the magnetic field strength is doubled, what happens to the induced EMF in a coil with ..
Question: What is the principle behind the operation of an electric motor?Options: Electromagnetic i..
Question: What is the effect of a magnetic field on a charged particle moving perpendicular to the f..
Question: What happens to the magnetic field inside a solenoid when the current through it is increa..
Question: In a transformer, if the primary coil has 100 turns and the secondary coil has 50 turns, w..
Question: What is the unit of magnetic flux?Options: WeberTeslaHenryAmpereCorrect Answer: WeberSolut..
Question: A coil of wire is placed in a changing magnetic field. What phenomenon is observed?Options..
Question: What is the direction of the magnetic field inside a long straight current-carrying conduc..
Question: If a 2 kg object is moving with a velocity of 3 m/s and a force of 6 N is applied in the o..
Question: A 12 kg object is at rest on a horizontal surface. What is the normal force acting on it?O..
Question: A 4 kg object is pushed with a force of 20 N. If the frictional force is 4 N, what is the ..
Question: An object is in equilibrium. If two forces of 10 N and 15 N act on it in opposite directio..
Question: A force of 15 N is applied to a 3 kg object. What is the resulting acceleration?Options: 3..
Question: A 3 kg block is sliding down a frictionless incline of 30 degrees. What is the acceleratio..
Question: A 10 kg object is hanging from a rope. What is the tension in the rope when the object is ..
Question: If a 2 kg object is acted upon by a net force of 6 N, what is the object\'s acceleration?O..
Question: A car of mass 1000 kg is moving with a velocity of 20 m/s. What is the net force required ..
Question: A 5 kg block is resting on a frictionless surface. If a force of 10 N is applied to it, wh..
Question: In a conical pendulum, if the angle of the string with the vertical is increased, what hap..
Question: A particle moves in a circular path with a radius of 10 m at a constant speed of 5 m/s. Wh..
Question: If the angular velocity of a rotating object is doubled, what happens to its centripetal a..
Question: A ball is tied to a string and swung in a vertical circle. At the highest point of the cir..
Question: What is the angle between the velocity vector and the acceleration vector of an object mov..
Question: A cyclist is moving in a circular track of radius 30 m. If he completes one round in 12 se..
Question: A satellite is in a circular orbit around the Earth. If the radius of the orbit is increas..
Question: A stone is tied to a string and whirled in a horizontal circle. If the radius of the circl..
Question: A car is moving in a circular path of radius 50 m with a constant speed of 20 m/s. What is..
Question: A 4 kg object is moving with a velocity of 2 m/s. What is the change in momentum if the ob..
Question: If two objects of masses 3 kg and 5 kg collide elastically, what is the final velocity of ..
