Magnetic Field Questions and Answers

The galvanometer cannot be used as an ammeter to measure the value of current in a given circuit. Which of the following statement(s) is/are incorrect about given information? (a) Galvanometer gives full scale deflection for a small current. (b) Galvanometer has a large resistance. (c) A linear scale cannot be designed, so that I a. (d) A galvanometer can give accurate values.
Physics
Magnetic Field
The galvanometer cannot be used as an ammeter to measure the value of current in a given circuit. Which of the following statement(s) is/are incorrect about given information? (a) Galvanometer gives full scale deflection for a small current. (b) Galvanometer has a large resistance. (c) A linear scale cannot be designed, so that I a. (d) A galvanometer can give accurate values.
A singly charged positive ion has a mass of 2.50 x 10^-26 kg. After being accelerated through a potential difference of 250 V, the ion enters a magnetic field of 0.500 T, in a direction perpendicular to the field. Calculate the radius of the circular path of the ion in the field.
Physics
Magnetic Field
A singly charged positive ion has a mass of 2.50 x 10^-26 kg. After being accelerated through a potential difference of 250 V, the ion enters a magnetic field of 0.500 T, in a direction perpendicular to the field. Calculate the radius of the circular path of the ion in the field.
A 5 kg mass is attached to a massless string and is being rotated in a vertical circle. The length of the string is 0.5 m and the mass has a tangential velocity of 10 m/s. Find the tension in the string at the top of the circle and at the bottom of the circle.
Physics
Magnetic Field
A 5 kg mass is attached to a massless string and is being rotated in a vertical circle. The length of the string is 0.5 m and the mass has a tangential velocity of 10 m/s. Find the tension in the string at the top of the circle and at the bottom of the circle.
What is the magnitude of the momentum of a 0.0053-kg marble whose speed is 0.55 m/s?
Physics
Magnetic Field
What is the magnitude of the momentum of a 0.0053-kg marble whose speed is 0.55 m/s?
Which statement is an example of a critique? A. Buffalo's Wings explores the themes of love and loss, focusing on a child's realization that the two can be intermixed. B. The main character of Buffalo's Wings, 10-year-old Kara Threnody, is a precocious child whose intellect is more developed than her emotional maturity. C. One of the most unique aspects of Buffalo's Wings is the setting; the story takes place in a commune where several families live together. D. Buffalo's Wings is a powerful and entertaining story that anyone who has ever lost a pet will be able to relate to.
Physics
Magnetic Field
Which statement is an example of a critique? A. Buffalo's Wings explores the themes of love and loss, focusing on a child's realization that the two can be intermixed. B. The main character of Buffalo's Wings, 10-year-old Kara Threnody, is a precocious child whose intellect is more developed than her emotional maturity. C. One of the most unique aspects of Buffalo's Wings is the setting; the story takes place in a commune where several families live together. D. Buffalo's Wings is a powerful and entertaining story that anyone who has ever lost a pet will be able to relate to.
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