A conducnting straight wire PQ of length...

A conducnting straight wire `PQ` of length `l` is fixed along as diameter of a non conducting ring as shown in the figure. The ring is given a pure rolling motion on as horizontal masgnetic field `B` in horizontal direction perpendicular to the plane of ring. The magnitude of induced emf in the wire PQ at the position shown in figure will be

Bvl

2Bvl

3Bvl2

Zero

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT
PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos
ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT
PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs|63 Videos
CURRENT ELECTRICITY
PHYSICS GALAXY - ASHISH ARORA|Exercise All Questions|389 Videos
ELECTROSTATICS
PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

Similar Questions

Explore conceptually related problems

A circular conducting ring of radius 'a' is rolling with slipping on a horizontal surface as shown. A uniform magnetic field B is existing perpendicular to the plane of motion of the ring. The emf iniduced between the points A and D of the ring is

A vertical conducting ring ogradius R falls vertically in a horizontal magnetic field of magnitude B . The direction of B is perpendicular to the plane of the ring. When the speed of the ring is v,

A conducting ring of radius 2R rolls on a smooth horizontal conducting surface as shown in figure-5.295. A uniform horizontal magnetic field B is perpendicular to the plane of the ring. The potential of A with respect to O is:

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring. Which of the following statements is correct?

A straight wire of length L is bent into a semicircle. It is moved in a uniform magnetic field with speed v with diameter perpendicular to the field. The induced emf between the ends of the wire is

A horizontal wire is free to slide on the verticle rails of a conducting frame as shown in figure. The wire has a mass m and length l and the resistance of the circuit is R . If a uniform magnetic field B is directed perpendicular to the frame, the terminal speed of the wire as it falls under the force of gravity is

A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will

A conducting ring is moving from left to right through a uniform magnetic field, as shown in the figure. In which regions is there an induced current in the ring?

A thin circular -conducting ring having N turns of radius R is falling with its plane vertical in a horizontal magnetic field B . At the position MNQ the speed of ring is v the induced e.m.f developed across the ring is

A thin semicircuilar conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in Fig. The potential difference developed across the ring when its speed is upsilon , is

PHYSICS GALAXY - ASHISH ARORA-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-Numerical MCQs

An alternating voltage is connected in series with a resistance R and ...
Text Solution
|
A magnet is taken towards a conducting ring in such a way that a const...
Text Solution
|
A conducnting straight wire PQ of length l is fixed along as diameter ...
Text Solution
|
An inductive circuit a resistance of 10ohm and an inductance of 2.0 h...
Text Solution
|
A rectangular loop with a sliding connector of length 10 cm is situate...
Text Solution
|
A 20volts AC is applied to a circuit consisting of a resistance and a...
Text Solution
|
A square loop of side b is rotated in a constant magnetic field B at a...
Text Solution
|
A resistance of 300Omega and an inductance of 1/(pi) henry are connect...
Text Solution
|
An inductor L and a capacitor C are connected in the circuit as shown ...
Text Solution
|
Switch S is closed t=0, in the circuit shown. The change in flux in th...
Text Solution
|
An electric current i(1) can flow in either direction through loop-1 a...
Text Solution
|
The network shown in the figure is a part of complete circuit. What is...
Text Solution
|
A simple LR circuit is connected to a battery at time t = 0. The energ...
Text Solution
|
A 120 volt AC source is connected across a pure inductor of inductance...
Text Solution
|
Two coils X and Y are placed in a circuit such that a current change o...
Text Solution
|
Electric charge q is distributed uniformly over a rod of length l. The...
Text Solution
|
A triangular wire frame (each side =2m) is placed in a region of time ...
Text Solution
|
In the circuit shown below, what will be the reading of the voltmeter ...
Text Solution
|
A galvanometer is connected to the secondary coil. The galvanometer sh...
Text Solution
|
A conducting ring of radius 2R rolls on a smooth horizontal conducting...
Text Solution
|