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Question: In a transformer, if the primary coil has 100 turns and the secondary coil has 200 turns, ..
Question: A charged particle moves in a magnetic field. What is the nature of the force acting on it..
Question: A loop of wire is placed in a uniform magnetic field. What happens to the induced EMF if t..
Question: A 6 kg object is subjected to a net force of 12 N. What is its acceleration?Options: 2 m/s..
Question: A 4 kg object is at rest on a table. What is the force of static friction acting on it?Opt..
Question: If two forces of 10 N and 5 N act in the same direction on an object, what is the net forc..
Question: What is the weight of a 12 kg object on Earth?Options: 12 N120 N1.2 N0.12 NCorrect Answer:..
Question: A force of 15 N is applied to a 5 kg object. What is the object\'s acceleration?Options: 3..
Question: If a 10 kg object is pulled with a force of 30 N, what is its acceleration?Options: 1 m/s²..
Question: A 5 kg block is placed on a surface with a coefficient of static friction of 0.6. What is ..
Question: What is the effect of increasing the surface roughness on the coefficient of friction?Opti..
Question: A box is pushed with a force of 50 N on a surface with a coefficient of kinetic friction o..
Question: A block is sliding down a frictionless incline of angle θ. If the incline has a coefficien..
Question: If the angle of inclination of a plane increases, what happens to the static friction forc..
Question: A block of mass 10 kg is resting on a horizontal surface. If the coefficient of kinetic fr..
Question: Which of the following statements about kinetic friction is true?Options: It is always gre..
Question: A car is moving on a circular track of radius 100 m. If the maximum speed at which it can ..
Question: What is the coefficient of static friction if a block on a horizontal surface begins to sl..
Question: What is the significance of gel electrophoresis in molecular biology?Options: To separate ..
Question: What is the role of restriction enzymes in molecular biology?Options: To cut DNA at specif..
Question: In cloning, what is the purpose of using a vector?Options: To provide a means of introduci..
Question: What is the primary function of PCR (Polymerase Chain Reaction)?Options: To amplify DNA se..
Question: Which of the following techniques is used to introduce recombinant DNA into a host cell?Op..
Question: A particle moves in a circular path of radius r with a constant angular speed ω. What is t..
Question: A conical pendulum consists of a mass m attached to a string of length L, swinging in a ho..
Question: If a body is moving in a circular path with a constant speed, which of the following state..
Question: A mass m is attached to a string and is whirled in a vertical circle. At the highest point..
Question: What is the relationship between the angular velocity and linear velocity of an object mov..
Question: A cyclist is moving around a circular track of radius 100 m. If he completes one lap in 40..
Question: A stone is tied to a string and whirled in a horizontal circle. If the radius of the circl..
