Home
Class 12
PHYSICS
In the adjoining diagram, P and Q are pa...

In the adjoining diagram, P and Q are parallel wires carrying currents of 2.5 A and I respectively directed at right angles to the plane of paper inwards. An electron moving with velocity `4xx10^(5)m//s` in positive x - direction experiences a force of `3.2xx10^(-20)N` at point R. The value of i will be

A

1A

B

2A

C

3A

D

4A

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Two long parallel wires carrying current 2.5 amperes and I ampere in the same direction ( directed into the plane of the paper) are held at P and Q respectively such that they are perpendicular to the plane of paper. The points P and Q are located at a distance of 5 metres and 2 metres respectively from a collinear point R ( see figure) (i) An electron moving with a velocity of 4xx10^(5) m//s along the positive x- direction experiences a force of magnitude 3.2xx10^(-20) N at the point R . Find the value of I . (ii) Find all the positions at which a third long parallel wire carrying a current of magnitude 2.5 amperes may be placed so that the magnetic induction at R is zero.

Two long parallell wires carrying currents 2.5 A and I (ampere) in the same directon (directed into theplane of the paper) are held at P and Q , respectively such that they are perpendicular to the plane of paper. The points P and Q are located at distance of 5 m and 2m respectively from a collinear point R (see figure). a. An electron moving with a velocity of 4xx10^5 m/s along the positive x-directionn experieces a force of magnitude 3.2xx10^-20 N at the point R . Find the volume of I . b. Find all the positions at which a third long paralle wire carryig a current of magnitude 2.5 AS may be placed, so that the magnetic induction at R is zero.

Two circular coils P & Q are coaxially & carry currents I_1 and I_2 respectively (all direction are w.r.t. the observer)

Two long parallel wires are 30 cm apart carrying currents 10 A and 15 A respectively in the same direction. The force acting over a length of 5 m of the wires is

A long straight wire carries a current of 10 A. An electron travels perpendicular to the plane of this wire at a distance 0.1 m with a velocity of 5.0 xx10^(6)m//s. What is the force acting on the electron due to the current in wire ?

A particle having charge q = 10 muC is moving with a velocity of V=10^(6)m//s in a direction making an angle of 45° with positive x axis in the xy plane (see figure). It expe- riences a magnetic force along negative z direction. When the same particle is projected with a velocity v' = 10^(6) m//s in positive z direction, it experiences a magnetic force of 10 mN along X direction. Find the direction and magnitude of the magnetic field in the region.

A straight wire carries a current of 10A. An electron moving at 10^(3) m/s is at distance 2.0 cm from the wire. Find the force acting on the electron if its velocity is directed toward the wire?

A long straight wire carries a current of 50 A. An electron moving at 10^(7) m/s is 5 cm away from the wire. The force acting on electron if its velocity is directed towards the wire will be

A straight conductor carries a current of 5A . An electron travelling with a speed of 15xx10^(6)ms^(-1) parallel to the wire at a distance of 0.1m from the conductor, experiences a force of