NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 587  590 of 2320
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Question number: 587
» Magnetic Effects of Current and Magnetism » Moving Coil Galvanometer
Question
In a moving coil galvanometer, the deflection of the coil θ is related to the electrical current i by the relation
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 588
» Magnetic Effects of Current and Magnetism » Biot  Savart Law
Question
The straight long conductors AOB and COD are perpendicular to each other and carry current and . The magnitude of the magnetic induction at point P at a distance ‘a’ from the point O in a direction perpendicular to the plane ACBD is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 589
» Electromagnetic Induction & Alternating Currents » Induced EMF and Current
Question
A closed coil consists of 500 turns on a rectangular frame of area 4.0 cm ^{2} and has a resistance of 50 ohm. The coil is kept with its plane perpendicular to a uniform magnetic field of 0.2 weber/meter ^{2}. The amount of charge flowing through the coil if it is turned over (rotated through 180°) will be 
Choices
Choice (4)  Response  

a.  1.6 x 10 ^{19} C  
b.  1.6 x 10 ^{9} C  
c.  1.6 x 10 ^{3} C  
d.  1.6 x 10 ^{2} C 
Question number: 590
» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field
Question
A current of 2.0 amp is flowing through a wire of length 50 cm. If this wire be placed at an angle of 60° with the direction of a uniform magnetic field of 5.0 x 10 ^{4} N/Am the force on the wire will be,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
