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NEET UG Moving Charges and Magnetism — practice questions — page 3

Explore 180 free Moving Charges and Magnetism questions in NEET UG Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Moving Charges and Magnetism questions and exercises with answers

Showing questions 61–90 of 180.

Who noticed that a current in a wire deflects a compass needle?Read the answer and worked solution →In which year was that observation made?Read the answer and worked solution →Oersted was a physicist from:Read the answer and worked solution →Iron filings sprinkled around a current-carrying wire arrange in:Read the answer and worked solution →Reversing the direction of the current reverses the needle's:Read the answer and worked solution →Oersted concluded that moving charges or currents produce a:Read the answer and worked solution →In which year were the laws of electricity and magnetism unified?Read the answer and worked solution →The combined electric and magnetic force on a charge is called the:Read the answer and worked solution →The magnetic part of the Lorentz force depends on charge, field and:Read the answer and worked solution →The magnetic force on a negative charge, compared with a positive one, is:Read the answer and worked solution →The magnetic force includes a product of velocity and field that is a:Read the answer and worked solution →The SI unit of magnetic field is the:Read the answer and worked solution →The tesla is named after:Read the answer and worked solution →One gauss is equal to how many tesla?Read the answer and worked solution →The cyclotron was invented in the year:Read the answer and worked solution →The cyclotron was invented by E.O. Lawrence and:Read the answer and worked solution →The cyclotron was built in order to investigate:Read the answer and worked solution →Because they are perpendicular to each other, the cyclotron fields are called:Read the answer and worked solution →The semicircular metal containers of a cyclotron are called:Read the answer and worked solution →The cyclotron works because the revolution frequency is independent of:Read the answer and worked solution →Matching the supply frequency to the cyclotron frequency is called the:Read the answer and worked solution →A small resistance placed in parallel with a galvanometer is called a:Read the answer and worked solution →Place the discoveries in timeRead the answer and worked solution →Match each name to the workRead the answer and worked solution →Order Oersted's observationsRead the answer and worked solution →True or false on electromagnetismRead the answer and worked solution →Work out the datesRead the answer and worked solution →Fill the gaps on electromagnetismRead the answer and worked solution →Quick picks on electromagnetismRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Who noticed that a current in a wire deflects a compass needle?

  1. Oersted
  2. Ampere
  3. Faraday
  4. Maxwell
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Correct answer: A. Oersted

1. The observation came during a lecture demonstration. 2. Hans Christian Oersted noticed the deflection. 3. So the correct answer is Oersted. _Source: syllabus Physics Part I, Ch 4 'Moving Charges and Magnetism'_

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In which year was that observation made?

  1. 1840
  2. 1820
  3. 1830
  4. 1810
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Correct answer: B. 1820

1. It came about 200 years after electricity and magnetism were first known. 2. Oersted noticed it in the summer of 1820. 3. So the correct answer is 1820. _Source: syllabus Physics Part I, Ch 4 'Moving Charges and Magnetism'_

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Oersted was a physicist from:

  1. Denmark
  2. Germany
  3. Hungary
  4. Bulgaria
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Correct answer: A. Denmark

1. He is remembered for linking electricity with magnetism. 2. He was a Danish physicist. 3. So the correct answer is Denmark. _Source: syllabus Physics Part I, Ch 4 'Moving Charges and Magnetism'_

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More Physics topics

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