Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A 5 mg particle carrying a charge of 5π×10⁻⁶ C is moving with velocity of (3î+2k̂)×10⁻² m/s in a region having magnetic field...
- A wire carrying a current I along the positive x-axis has length L. It is kept in a magnetic field B=(2 i+3 j-4 k) T. The...
- A uniform conducting wire of length 12a and resistance 'R' is wound up as a current carrying coil in the shape of, (i) an...
- In the product F=q( v B)=q v (B i+B j+B_0 k). For q=1 and v=2 i+4 j+6 k and F=4 i-20 j+12 k. What will be the complete expression...
- A galvanometer has a coil of resistance 200 Ω with a full scale deflection at 20 μA. The value of resistance to be added to use...
- A current of 200 μA deflects the coil of a moving coil galvanometer through 60°. The current to cause deflection through π/10...
- A proton moving with a constant velocity passes through a region of space without any change in its velocity. If E and B...
- Two particles X and Y having equal charges are being accelerated through the same potential difference. Thereafter they enter...
- A charge of 4.0 μC is moving with a velocity of 4.0 × 10⁶ ms⁻¹ along the positive y-axis under a magnetic field B of strength...
- The deflection in moving coil galvanometer falls from 25 divisions to 5 division when a shunt of 24 Ω is applied. The resistance...
- The current of 5 A flows in a square loop of sides 1 m is placed in air. The magnetic field at the centre of the loop is X√2 ×...
- The horizontal component of earth's magnetic field at a place is 3.5 × 10⁻⁵ T. A very long straight conductor carrying current of...
- A uniform magnetic field of 2 × 10⁻³ T acts along positive Y-direction. A rectangular loop of sides 20 cm and 10 cm with current...
- Two circular coils P and Q of 100 turns each have same radius of π cm. The currents in P and R are 1 A and 2 A respectively. P...
- An electron moves through a uniform magnetic field B = B_0 i + 2B_0 j T. At a particular instant of time, the velocity of...
- A charge Q is moving d l distance in the magnetic field B . Find the value of work done by B .
- A solenoid of 1000 turns per metre has a core with relative permeability 500. Insulated windings of the solenoid carry an...
- Which of the following statements are correct? (A) Electric monopoles do not exist whereas magnetic monopoles exist. (B) Magnetic...
- A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effect of the...
- A deuteron and an alpha particle having equal kinetic energy enter perpendicular into a magnetic field. Let r_d and r_ be their...
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