A non-conducting wire of radius R has charge q distributed unevenly over it. If it is rotated with an angular velocity of $ω$ , the equivalent current will be?

Zero

No worries! We‘ve got your back. Try BYJU‘S free classes today!

q ω

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{q ω}{2 π}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

\frac{q ω}{2 π R}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $\frac{q ω}{2 π}$
Total charge on ring=q
angular velocity=w
Average current = total charge passing through the point in unit time
$i = \frac{q}{t} = q v = \frac{q w}{2 π}$
R is radius

Suggest Corrections

Similar questions

A non-conducting ring of radius R has charge Q distributed over it. If it rotates with an angular velocity $ω$ about its axis, the equivalent electric current will be

Q. A non-conducting ring of radius

R

has charge

Q

distributed unevenly over it. If it rotates with an angular velocity

ω

, the equivalent current will be

A non-conducting ring of radius R has charge Q distributed unevenly over it. If it rotates with an angular velocity ω, the equivalent resistance between parallel faces is

Q. A non conducting disc of radius

R

, charge

q

is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity

ω

, charge

q

is uniformly distributed over its surface. The magnetic moment of the disc is :

Q. Consider a non-conducting plate of radius r and mass m that has a charge q distributed uniformly over it. The plate is rotated about its axis with an angular speed ω. Show that the magnetic moment µ and the angular momentum l of the plate are related as

μ = \frac{q}{2 m} l

Join BYJU'S Learning Program

A non-conducting wire of radius R has charge q distributed unevenly over it. If it is rotated with an angular velocity of ω, the equivalent current will be?

The correct option is D qω2πTotal charge on ring=qangular velocity=wAverage current = total charge passing through the point in unit timei=qt=qv=qw2πR is radius

A non-conducting wire of radius R has charge q distributed unevenly over it. If it is rotated with an angular velocity of $ω$ , the equivalent current will be?

The correct option is D $\frac{q ω}{2 π}$
Total charge on ring=q
angular velocity=w
Average current = total charge passing through the point in unit time
$i = \frac{q}{t} = q v = \frac{q w}{2 π}$
R is radius